2023: Travel to China: Wuhan, Shanghai, Hong Kong. September 7-25.

2023: Travel to China: Hong Kong, Beijing, Wuhan. July Lecture in Beijing at the Institute of Microbiology, Chinese Academy of Sciences (CAS). Invited by Dr. George Fu Gao (2017-2022 China CDC Director), Head of the Institute of Microbiology, CAS. Beijing. July 20.  Meeting in Hong Kong with Chinese University of Hong Kong Professor, Respiratory Medicine, Dr. David Hui. July 15.

2022: Munich, Germany.  Host and Moderator: Emerging Zoonotic Disease Epidemics: Monkeypox, Ebola, &  Zika. med.stream Online > 600 persons in Europe, India, Colombia. Invited by Dr. Andrea Ipsen Escobedo.  

2020: Shanghai and Hong Kong, China and Cairo, Egypt.   Meetings with Dr. Tsang, Dr. Wu, Dr. Tso, Dr. Hui, others on COVID-19. February 11-March 3. 

2019: Invited participant. Queen’s University, Kingston, Ontario, Canada. Dec 2-4. Epidemics and the Last Mile. Invited by Dr. Lisa Adams. 

2019: Invited panelist: Dartmouth’s War on Epidemics and Pandemics. London, UK, Sept. 28., Dartmouth College 250th Anniversary Global Summit. IET Savoy. Invited by Dr. Lisa Adams.

2018: Geneva, Switzerland. World Health Organization. Rapporteur for 2nd meeting of Strategic & Technical Advisory Group for Infectious Hazards (“STAG-IH”) Dec. 5-6 WHO work (invited by Drs. Sylvie Briand and Nikki Shindo (IHM/WHO). 

2018: Lyon, and Annecy, France. Merieux Foundation HQ, Museum of Infectious Diseases and Les Pensieres Conference Centre for Global Health.  Invited by Merieux team: Guy Vernet, Koren Wolman-Tardy, Anne de Chiffreville, Benedicte Pansier, Benoit Miribel. December. 

2018: Hong Kong, SAR, China: Plague Pneumonia: Lessons from the 2017 Outbreak in Madagascar. Department of Health. Centre for Health Protection (CHP). Invited by Dr. Andrew Wong. Nov. 18.

2018: Hong Kong, SAR, China. Princess Margaret Hospital. Nov. 15. Invited by Dr. Owen Tsang and Dr. Alan Wu. 

2018: Vienna, Austria. International Meeting on Emerging Diseases (IMED) Nov 9-12. Scientific Committee organizer, panelist, moderator.

2017: Paris, France. Meeting to discuss work during Plague in Madagascar. Dr. Bertrand Renaud, Dr. Dera Ranaivozanany.  Dec. 17.                  

2017: Geneva, Switzerland. Dec. 15 Meeting at WHO with Dr.Briand, Dr. Shindo, Dr.Diaz, Dr. Bertherat,  regarding Urban Pneumonic Plague in Madagascar 2017.

2017: Stockholm, Sweden: Three (3) lectures on Emerging Infectious Diseases (Plague, Zika, Yellow Fever, Ebola, MERS, SARS, and influenza) at the Karolinska Institute and the Swedish Organization for Global Health.  Dec 11, 12, and 13. Invited by Dr. Helena Nordenstadt, Karolinska Institute. 

2017: Antananarivo, Madagascar.  Oct 14-Nov 18. Working with OMS/WHO teams on airport/seaport exit screening and clinical management for pneumonic plague.

2017:  Bangkok, Thailand. Sept 9-15.  ~20 interviews for evaluation of USAID Emerging Pandemic threats EPT evaluation team.

2017: Ha Noi, Vietnam. Sept 2-9. Over 10 interviews for evaluation of USAID EPT2

2017: Kampala, Uganda. July 8-15. Over 10 interviews for evaluation of the USAID Emerging Pandemic Threats (EPT2) evaluation team.

2017: Guangzhou, China. Feb 19-21. Visit during the time of new H7N9 outbreaks.

2017: Hong Kong, SAR, China. Feb 16-17. Invited by Dr. Andrew Wong, Centre for Health Protection (CHP) to give three talks and discussion on anthrax and smallpox vaccination updates.

2017: Karachi, Pakistan. Indus Hospital, Korangi crossing.  Medical Grand Rounds on Ebola and Chikungunya epidemics.  Jan. 4. Invited by Dr. Naseem Salahuddin Chief, Infectious Disease Department.

2016: Islamabad, Pakistan. Pakistan Museum of Natural History. Invited by: Dr.
Ghazals Roohi. Director. Dec. 30.

2016: Islamabad, Pakistan. Discussion on One Health and Epidemics. Pakistan
National Academy of Sciences headquarters. Invited by Dr. Zabta Shinwari, Secretary-General. Dec. 30.

2016: Islamabad, Pakistan. Responding to epidemics. CDC/FELTP. Pakistan NIH.

2016: Islamabad, Pakistan. Discussion on zoonotic epidemics at National Agriculture
Research Center (NARC). Invited by Dr. Khalud Naeem, Dr. Muhammad Athar Abbas. Dec. 28.

2016: Karachi, Pakistan. Agha Khan University Hospital Grand Rounds and Infectious Disease rounds. Invited by Dr. Bushra Ali, Chief, Infectious Disease Dept. Dec 26.

2016: Karachi, Pakistan. Medical ward (Chikungunya epidemic) rounds, Saudabad
Hospital, Malir. Dec. 25. Accompanied by Dr. Mohamed Masroor.

2016: Karachi, Pakistan. Invited lectures on Ebola and Zika. Dow University
Medical School (Dec. 22), Sindh University Medical Center (Dec. 23). Association of Pakistani Physicians of North America (APPNA). Invited by Dr. Rizwan Naeem, Dr. Adeel Butt, and Dr. Nasar Quereshi (President, APPNA).

2016: Kinshasa, DRCongo. July 23-Aug 5 visit with MSF Congo-China Hospital ward for
Yellow fever patients. Visit the DRC National laboratory (“INRB”) in Kinshasa, with Japanese team invited to assist during Yellow Fever outbreak.

2016: Ulaanbatour, Mongolia. One Health conference. June. Organized by Ministry of
Health and Duke University.

2016: Beijing, China. Invited to visit and talk with the single vaccine manufacturer of
yellow fever vaccine. Discussed potential YF vaccine needs (given 11 Chinese citizens with Yellow fever returning from Angola in spring 2016).

2016: Recife, Brazil. Visit to clinic for families of babies with microcephaly / Congenital Zika Syndrome. Met Dr. Vanessa Van Der Linden, Neuropediatrician. Feb. 10.

2015: Hong Kong, SAR, China: Invited Speaker: Ebola in West Africa: A Clinician-Public Health View from the Ground 2014-2015. Department of Health. Centre for  Health Protection (CHP). Nov. 6. Invited by Dr. Andrew Wong and  Dr. Alan Wu. 

2015: Hong Kong, SAR, China. Invited speaker. Ebola in West Africa: Lessons. Georgetown Alumni in Asia conference. November 5. 

2015: Seoul, Korea. Global Health Security Agenda (GHSA) annual Ministerial meeting. Representing Georgetown University on GHSA NGO/NGS Steering committee Ambassador Bonnie Jenkins, Chair. Meetings with Dr. Myoung-Don Oh, Seoul National University Hospital and Dr. Jong-Koo Lee, Director, JW Lee Center for Global Medicine. Topic: MERS outbreak and aftermath. Sept 2-9.

2015: Seoul, Korea (MERS). June 30-July 18. Invited by Dr. Jong-koo Lee. Director, JW Lee Center for Global Medicine. and Seoul National University (SNU). MERS Rounds at Seoul National University Hospital and National Medical Center with Dr. Myoung-Don Oh. Visit to Korean NIH in Osan with Dr. Jee, Director of the Center for Immunology and Pathology. 

2015: Conakry and Dubreca, Guinea (Ebola outbreak sites). May 2015.

2015: Cairo, Egypt. Meetings with the Ministry of Health and Population, Dr. Samir Rafaey (H5N1 avian flu), Abbassia Fever Hospital (Dr. Amany El- Amam) and NAMRU-3 CO Dr. John Gilstad. May 2015. 

2015: Monrovia, Liberia. Returned to meet Liberian health worker colleagues and Ebola Survivors from 2014. Visit to school for Ebola orphans and children  affected by Ebola epidemic (“Confidence Humanitarian, Inc”. NGO. CEO Jackson Naimah). Returned to ELWA-3 ETU for March 11 “Decoration Day”.

2014: Monrovia, Liberia. Work with Doctors-Without Borders (Medecins Sans Frontieres
MSF) as a medical doctor at the MSF-OCB Ebola hospital. Confirmed tents C1-4
at “ELWA-3”. Oct 3-Nov 9. Nov 10-14 seconded to Liberian Ministry of Health to
work with MOH Chief Medical Officer, Dr. Bernice Dahn, on Ebola protocols.
2014: Brussels and Ypres, Belgium Nov 15-Dec 1. In lieu of US Ebola quarantine.

2014: Freetown, Sierra Leone. Connaught Hospital volunteer in the Ebola Testing and Isolation Unit. (Dr. Marta Lado and Dr Oliver Johnson).
Training nurses & doctors on Ebola-PPE for Ministry of Health. Aug 10-31.

2014: Invited by NIH to speak on MERS at a NIH-Qatar Foundation-Cornell
workshop May 26-29 in Doha, Qatar.

2013: Invited panel speaker on MERS: Eastern Mediterranean Public Health Network (EMPHNET) Conference. Marrakech, Morocco. December 5. Invited by Dr. Mohannad al-Nsour, Executive Director, EMPHNET.

2013:  Meeting on polio and polio vaccination with Jordan Ministry of Health (MOH) Dr. Moh’d. Al-Abdallat, Communicable Diseases Director, Amman and Dr. Iman Bambouk, WHO (Syrian) physician Za’atara Syrian refugee camp near Mafraq, Jordan. November. Visit to this refugee camp with Dr. Bambouk officially authorized and arranged by Dr. Moh’d. Abdallat. 

2013:   Hospital Grand Rounds and meeting with the Ministry of Health on MERS. Manama, Bahrain. Dr. Jameela al-Salman. Sept 19-23. 

2013:   Discussion on MERS Updates and Outbreaks (in Qatar). SCH, PHCC, Hamad General Hospital-HMC, and Aspetar Hospital. Doha, Qatar. Aug 26-Sept 18.  Dr. Ayman Diab, Dr. Mohammad al-Hajri, Dr. Khalifa, Dr. Muna Al-Maslamani, Dr. Abdullatif Al-Khal, Dr. Juliet Ibrahim & colleagues.

2013.  Discussion on MERS Co-V and H7N9 avian influenza at Qatar Supreme Council of Health. Doha, Qatar. Dr. Hamad Eid Al-Romaihi and six colleagues. August 25. 

2013: Invited speaker. “Middle East Respiratory Syndrome 2013 Update”.  National Institute of Genetics. Mishima, Japan. Invited by Dr. Hiroshi Akahi. August 21.

2013: Grand Rounds speaker: MERS Update. Hong Kong Pamela Younde Nethersole Eastern hospital. Invited by Dr. Alan Wu. August 16. 

2013: Discussion on MERS at Qatar Supreme Council of Health Dr. Hamad Eid Al-Rumaihi, and Dr. Elmoubasher Abu Baker Abd Faraq. Doha, Qatar. 31 July.

2013: Discussion on Middle East Respiratory Syndrome (MERS) with Hamad General Hospital Corporation Dr. Muna A. Rahman S.Al-Maslamani and Dr. Said H S Al Dhary. Doha, Qatar. 31 July.

2013: MERS Coronavirus discussion with Bahrain MOH and ID Physician Dr. Jameela Al-Salman. Manama, Bahrain. 29 July. 

2013: ID in United Arab Emirates (UAE) MOH Dr. Yousif Mohammed Al-Serkal, Asst.Undersecretary for Hospitals sector. Dubai, UAE. 25 July

2013: Response to MERS patients. Health Authority Abu Dhabi (HAAD). Dr. Farida al-Hosani. Abu Dhabi, UAE. 18 July. 

2013: Clinical Management of MERS. Dr. Adeel Butt. Chairman of Medicine. Sheikh Khalifa Medical City (SKMC). Abu Dhabi, UAE. 17 July.

2013: Response to MERS patients. Health Authority Abu Dhabi (HAAD). Dr. Farida al-Hosani. Abu Dhabi, UAE. 16 July. 

2013: Clinical Management of MERS. Dr. Adeel Butt. Chairman of Medicine. Sheikh Khalifa Medical City (SKMC). Abu Dhabi, UAE. 14 July.

2013: Clinical Treatment protocol for MERS. Dr. Benoit Guery and Dr. Catherine Leport. Paris, France. 11 July. 

2013: Participant. Health Protection England (PHE) Coronavirus conference. London, UK. July 9. 

2013: “MERS: Case Management”.  Invited lecture at the Jordan Ministry of Health & WHO Jordan National Meeting for Health Care personnel. July 7. Amman, Jordan.  Invited by Dr. Mohammad Mousa Al-Abdallat.

2013: Invited speaker: MERS conference. “Actualities sur l’infection a MERS CoV”. “Three needs for MERS: Increased Collaboration, Hospital Preparedness, and Therapeutic Trials”. Invited by Prof. Catherine LePort and Prof. Christian Raboud (FIDS) SPILF/COREB. UFR de Medicine Paris Diderot–Site Bichat. Paris, France. June 6.

2013: Keynote speaker: MERS: What do we know and what needs to be  done?” Qatar Supreme Council of Health (SCH). Invited by Dr. Mohammad Al-Hajri (SCH). June 3. Doha, Qatar.

2013: Grand Rounds speaker: MERS. Jordan University Hospital. Amman, Jordan. May 30. Invited by Dr. Najwa Khuri-Bulos. 

2013: Invited speaker on MERS: May 28 UAE Civil Defense annual safety meeting, Yas Viceroy Hotel, Abu Dhabi UAE.

2013: Invited speaker: “The novel Coronavirus (CoV) causing the Middle East Respiratory Syndrome  (MERS): Epidemiology & the initial 44 patients” Weill Cornell Medical College (WCMC) in Qatar. Doha Education City May 23. Invited by Laith J. Abu-Raddad, Ph.D.

2013: Invited Grand Rounds speaker: “Lessons from  the SARS Coronavirus 2002-2003 Outbreak in Asia and Canada for the Novel Coronavirus 

2012-2013 in the Middle East”. King Hussein Cancer Center Hospital. Amman, Jordan. 4 May. Invited by Dr. Nesreen Faqih, Critical Care.

2013: “Pneumonia due to the Novel Coronavirus in the Middle East and the New H7N9 Avian Flu Virus in China: Learning from 2003 & 2009”. Chest Hospital, Abbassia, Cairo, Egypt. Invited by: Dr. Mohammed Abdel Magid, Director.

2013:  “The Novel Coronavirus in the Middle East & the New H7N9 Avian Flu Virus in China: Learning from past Coronavirus and Flu outbreaks”. Ain Shams University (ASU), Faculty of Medicine, Cairo, Egypt. Invited by: Dr. Wagida Anwar. April 29.

2013: Speaker: “Global Plane Travel and Virus Outbreaks”. Georgetown  University School of Foreign Service (SFS), Center for International and Regional Studies (CIRS), Doha, Qatar. 22 April.

2013: Speaker: Anthrax pleural effusions: Russia 1979 and USA 2001: Drainage is necessary for survival. International Meeting on Emerging Diseases/Surveillance (IMED), Vienna, Austria. 15-18 Feb

2013: Organizing committee member, and Chair of session on Bats and Nipah virus Malaysia, Thailand and Bangladesh. IMED 2013, Vienna, Austria

2013: Invited lecture: Egypt and H5N1 avian influenza: Global contributions and Concerns”. London School of Hygiene and Tropical Medicine. Keppel Street. London, UK. Invited by Dr. David L. Heymann.

2013: Infectious disease Outbreaks and Global Travel: What’s Next? Winchester College,  Winchester, UK. 12 Feb.

2012: Team Leader USAID/GHTech H5N1 avian flu in Egypt Oct 29-Dec 6. Dr. Wagida Anwar, MD. Ain Shams University Medical School. Egypt

2012: Lecturer: “Nipah Encephalitis-Pneumonia: Evolving Epidemiology 1998-2012”.UK  London School  of Hygiene and Tropical Medicine (LSHTM). Invited by Dr. David L. Heymann.  May 10. 

2012: Cairo, Egypt meeting with Dr. Akmal Elerian  July 31.

2012: Beirut, Lebanon visit with Dr. Michel Kfoury,  MOH. July 25. Travel to Byblos, Cedars of Lebanon National Forest, and Roman Temple of Jupiter,  Baalbek, Bekka Valley, Lebanon.

2012: Invited commentary after graduate student defense of Ph.D. thesis presentation on: Awareness of Health Care Workers for Avian and Pandemic Influenza in Egypt. Ain Shams University. Cairo, Egypt. Invited by Dr. Neamtallah Gomaa.

2012: Travel to Hokkaido, Japan to visit the Cranes (Tancho). Jan 4-8.

2012: H5N1 Avian Influenza in Hong Kong and China. Discussion with Dr. Alan Wu, Kowloon, Hong Kong. Jan 3.

2011: Visit to Malaysia, Nipah village and contact Dr. Paul Chua.

2011: Nipah Virus Outbreaks. Meeting with Dr. Shovon Sazzad, International Centre for Diarrheal Disease Research  (ICDDR,B) Dhaka, Bangladesh. Dec 13.

2011: Sverdlovsk 1979 Anthrax Outbreak. Meeting with Dr. Lev Grinberg and Dr. A.A.Faina Abramova in Yekaterinburg, Russia. Nov 26.

2011: Grand Rounds lecturer: Emerging Infectious Diseases: Riyadh Hospital, Saudi Arabia. Dr. Ali  El-Barak. Chief of ID Service. July 18.

2011:           Lecturer: “Emerging Infectious Diseases”: Abu Dhabi, UAE 

                    July 11-15. UAE Surgeon General and US Central Command.

2010: “Endocarditis:  A Clinician’s Approach to Diagnosis and Management”. Imam Khomeini Hospital Medical Complex. Tehran University. Tehran,  Iran. June 24. Invited by Dr. Minoo Mohraz,  Chairman, Infectious  Disease Service, Iranian Research Center for HIV/AIDS. 

2010: Visiting Lecturer: “Endocarditis: Surgical Indications”. Modarres  Medical Center. Shahid   Beheshiti University of Medical Sciences. Tehran, Iran. June 23. Invited by Professor S. Ahmad Hassantash. Department of Cardiovascular Surgery. 

2010: Participant: Mass Gathering Medicine” conference. Jeddah, Kingdom of Saudi Arabia (KSA). Oct 23-25. Co-sponsored by Ministry of Health, KSA and Lancet Infectious Diseases.  Guest visitor to King Abdullah University of Science and Technology (KAUST), north of Jeddah, KSA. Oct 26.  Invited by Sami Al-Garawi, MD, PhD. 

2010: Visiting Lecturer: “Eosinophilia in Travelers”. Lima, Peru. January 18.  Invited by Dr. Eduardo Gotuzzo, Director, Tropical Disease Institute, Universidad Peruana Cayetona Heredia).

2009: Update on Pandemic H1N1 Influenza”. Ain Shams University conference. Cairo, Egypt. November 21.

2009: Travel: Petra and Amman, Jordan. November. 

2009: Speaker: Global Spread of the novel Influenza A (H1N1) virus”. Ain Shams University, Cairo, Egypt. June 2nd. Dr. Nematallah Gomaa Ahmed. Visit to NAMRU-3 (Dr. Jeffrey Tjaden) June 3rd.

2009: Discussant: H1N1 Pandemic Influenza in the USA.  Giza Chest Hospital, Cairo, Egypt. Dr. Mohammad Rashad (Inviter). June 24.

2009: Moderator. Intl Meeting on Emerging Diseases (IMED) Feb 23-25. Invited by Dr. Larry Madoff, Editor-in-Chief, Pro-MED. Vienna, Austria.

2009: “2001-2009: Bioterrorism Preparedness in the USA”. Medical Grand Rounds. Burderholz Cantonhosspital. Basel, Switzerland. Feb 13th. Dr. Philip Tarr, Chief of Infectious Diseases Service.

Jakarta and Jogyakarta, Indonesia . H5N1 Avian     

                     influenza program review for US Agency for International 

                    Development (USAID). June 14-30. Medical Team Member.

2008: Jakarta and Bandung, Indonesia. H5N1 avian influenza-related travel in Jakarta; and Hasan Sadikin Hospital, Bandung.  January.

2008: Singapore. Genome Institute of Singapore. Viral Diseases discussion with Dr. Edison T. Liu, Executive Director. January 9. 

2007: London, Oxford (UK) Paris, Chartres,  Blois (France) Visiting July. 

2007: Lhasa, Tibet. Visiting culture and religious sites. Meeting with traditional health care providers in Lhasa. (Mid-May).

2007: Vienna, Austria. Scientific Organizing Committee member and speaker on “Immune Survivors in the Management of Pandemic Influenza”.  International Meeting on Emerging Diseases (“IMED 2007”). (per Dr. Larry Madoff, Editor, ProMed) Feb 23-25.

2007 Speaker: “Inhalational Anthrax: New Clinical  Staging System and Therapies”.  CHUV: University Hospital in Lausanne. (Dr. Philip Tarr, sponsor).  Lausanne, Switzerland. February 22nd. 

2006: Cairo-Giza Chest Hospital (Dr. Rashad Mohammad) Avian and Pandemic Influenza. Egypt. Travel to Dubai, United Arab Emirates, and Hong Kong (Dr Alan Wu).  November-December. 

2006: Lima, Peru 10th anniversary of the Gorgas-UAB Course in Tropical Medicine (Dr. Eduardo Gotuzzo/David Freedman), and visit to Lake Titicaca (Puno, Peru and Ticale island). Visit to the US Naval Medical Research Unit (NAMRU) in Lima (Capt. Gregory Martin, CDR David Blazes, USN Physicians (Medical Corps). August.

2006: Volunteer Physician Work on medical wards (typhoid, brucella), HIV/TB Unit, and lecture on influenza: Kisiizi Hospital (Director, Dr. Tonny Tesegweye), (southwest rural) Uganda. May. 

2006:  Training Course Coordinator on “Pandemic Flu: Hospital Preparedness”. Egypt Ministry of Health and Population (Dr. Nasr El-Sayed)  and Project Hope-Egypt (Dr. Michael Forte). June 13-15 Visit to the US Naval Medical Research Unit (NAMRU) in Cairo. 

2006: Travel: Addis Ababa, the Great Lakes & Rift Valley, Ethiopia. March. 

2006: Keynote Speaker: Regional H5N1 Avian flu Symposium, Cairo, Egypt, March 27-28. Project Hope (Michael Forte, Director) and Ministry of Health National Training Institute (NTI) (Dr. Nasr El-Sayed). 

2005: Travel: Istanbul, Turkey; (H5N1) and Athens, Greece. Dec 24-1 Jan.

2005: “The New US Pandemic Flu Plan” Talk and discussion at Thailand Ministry of Public Health, Bureau of Epidemiology (Dr. Kumnuan Ungchusak, Director). Bangkok, Thailand. Dec 2nd.

2005:    “Pandemic Flu Planning in the USA”. Grand Rounds. Ministry of Health Hospital E. (Dr. Doan Nghi, Hospital Director).  Ha Noi, Vietnam. November 28th. 

2005: Xi’an, China. Visiting Professor. Guest of Dr. Fuyong Jiao.  “2005 Update on Clinical Management of Anthrax”. Shaanxi Provincial Hospital. (3 Aug).

2005: Prague, Czech Republic: “Lessons learned from the US Smallpox  Vaccination Program 2002-2003” and  “Updates on Inhalational Anthrax 2001-2005”. Czech State Office for Nuclear Safety and Department of Control of Prohibition of Chemical and Biological Weapons. (June 22). Travel: Geneva, and Krakow, Poland.

2005: Travel: Egypt (Cairo, Alexandria, Aswan, Luxor), Indonesia (Jakarta), Siem Reap (Angkor Wat, Angkor Thom), Cambodia.

2004: Discussant: Infectious Diseases Research Agenda. Guest of Dr. Qingwu Jiang, the Dean of Fudan University School of Public Health. Department of Epidemiology. Shanghai, Peoples Republic of China (PRC). (December 8).

2004: Bangkok, Thailand. “Inhalational Anthrax: A new staging system and other lessons from 2001”. Dean Sornchai Looareesuwan/ Dr. Sukthana Faculty of Tropical Medicine. Mahidol University, Bangkok, Thailand. (Sept 16th).

2004: Umea, Sweden. “Lessons from the USA on Inhalational Anthrax”. Department of Infectious Diseases. Dr. Arne Tarnvik, Director. University of Umea, Umea, Sweden. (July 9). 

2004: Hong Kong. Keynote Speaker.  “Public Health Emergency Preparedness”. Annual Conjoint Scientific Conference of the Hong Kong Societies of Community Medicine & Family Medicine. Aberdeen, Hong Kong (April 19).

2004: Hong Kong. Keynote Speaker. “Preparing for Bioterrorism”. Hong Kong Infectious Disease Society. Hong Kong Convention Center. (March 6).

2004: Guangzhou, Guangdong Province, China. Invited Speaker. “West Nile Virus as an Emerging Disease in the USA”. Grand Rounds, Infectious Disease Division. 3rd Affiliated Hospital, Sun-Yat Sen University. (Jan 15).

2004: Hong Kong. “Infection Control Recommendations for the 6 CDC Category A Bioterrorism Agents”. Chinese University of Hong Kong Centre for Emerging Infectious Diseases. Sha Tin. (Jan 16).

2003: Hong Kong Department of Health Symposium on Smallpox Vaccination. Nov 1st. Wan Chai. Hong Kong.

2003:   Guangzhou (Canton), Guangdong Province, China. Grand Rounds: “Emerging Diseases: SARS and Anthrax”.   Infectious Disease Division, 3rd Affiliated Hospital, Sun Yat-Sen University. Sept 8.

2003: Hong Kong. Prince of Wales Hospital and Queen Mary Hospital.Discussions on SARS and 3 invited lectures on Anthrax, Vaccinia, & Eosinophilic diseases. Sept 5, 6, and 10.

2003 Toronto, Ontario, Canada. Scarborough General Hospital SARS Outbreak Infection Control Clinical Team. June 26-July 11. Department Grand Rounds on Global SARS July 10th.

2003 Hong Kong. Observations on the impact of SARS and use of masks in the general population. (May). 

2002 Barcelona, Spain. International HIV/AIDS Conference (July 7-12). “Smallpox & smallpox vaccination:The Patient & the Public Health”.  

2001

1. (September 15. Cancelled due to no planes flying in the 

USA  post-Sept 11).  Invited by Dr. Eduardo Gotuzzo to speak at the 40th anniversary of the Universidad Peruana Cayetano Heredia, Lima, Peru.  “The Vaccine approval process in the USA” and “Eosinophilia: Immunology and the Clinician”. 

2000: Baragwanath Hospital, Soweto, South. Africa and the International AIDS Conference, Durban, S. Africa. Liaison meeting for Washington Hospital Center Infectious Disease Fellow Training opportunity in Soweto (Dr. Kitonga Kiminyo in 2001 with Dr. Jean Nachega). 

1999 “Clinical Immunology of Eosinophils”: Danish Society of Tropical Medicine meeting. Copenhagen, Denmark. (September 29).

1999 Gorgas Memorial Institute (with University of Alabama, Birmingham). Expert Course in Diagnosis & Therapy of Tropical Diseases. Dr. Eduardo Gotuzzo. Universidad  Peruana Cayetano Heredia. January 16-31. Lima, Peru. Guest speaker on “FDA vaccine evaluation”.

1998 HIV Delegation Leader, People-to-People Ambassador Program Bombay (Mumbai), Pune, Madras, Delhi, India (Nov 7-18) “HIV Vaccines”.  AIDS Research and Control Conference, Mumbai.

1997 HIV Delegation, People-to-People Citizen Ambassador Program Soweto, Johannesburg, Capetown, South Africa (Nov 3-18). Speaker: “HIV Vaccines” University of Capetown Medical School. Capetown, South Africa.

1994 “Spinal Fluid Immune Responses against HIV” ARTA International Conference, Innsbruck, Austria

1992 HIV Delegation, People-to-People Citizen Ambassador Program Prague, Budapest, Moscow & St. Petersburg (Oct 16-31) |Vietnam, Saigon ID Hospital and Pharmacy Rounds (Dec 19-21)

1991 International AIDS conference. Poster presentation. Florence, Italy.