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This paper describes an international collaboration to carry out studies that contributed to the understanding of pathogenesis, diagnosis, treatment, and prevention of several diseases of public health importance for Thailand and the United States. In Kamphaeng Phet Province, Thailand, febrile syndromes, including encephalitis, hepatitis, hemorrhagic fever, and influenza-like illnesses, occurred commonly...
Respiratory pathogens cause morbidity and mortality in US military basic trainees. Following the influenza pandemic of 1918, and stimulated by WWII, the need to protect military personnel against epidemic respiratory disease was evident. Over several decades, the US military elucidated etiologies of acute respiratory diseases and invented and deployed vaccines to prevent disease caused by influenza,...
Chikungunya virus, transmitted by mosquitoes to man, causes an acute illness characterized by fever, rash and striking joint symptoms. US Military investigators developed, manufactured at The Salk Institute-Government Services Division (TSI-GSD), and tested the live, attenuated Chikungunya Vaccine TSI-GSD-218. The manufacturing facility stopped production in 1994. The Chikungunya Vaccine TSI-GSD-218...
A controlled, randomized, double-blind clinical trial evaluated whether two attenuated recombinant poxviruses with identical Japanese encephalitis virus (JEV) gene insertions, NYVAC-JEV and ALVAC-JEV, were safe and immunogenic in volunteers. Groups of 10 volunteers distinguished by vaccinia immune status received two doses of each vaccine. The vaccines appeared to be equally safe and well tolerated...
Poxvirus-based recombinant Japanese encephalitis (JE) vaccine candidates, NYVAC-JEV and ALVAC-JEV, were examined for their ability to induce JE virus-specific cytotoxic T lymphocytes (CTLs) in a phase I clinical trial. These vaccine candidates encoded the JE virus premembrane (prM), envelope (E) and non-structural 1 (NS1) proteins. The volunteers received subcutaneous inoculations with each of these...
Hepatitis E has been the predominant type of acute hepatitis in Nepal both in adults and children, in sporadic and epidemic forms. We examined six hepatitis E virus (HEV) isolates obtained during an 8-year period, from 1987 to 1995, in the Kathmandu valley of Nepal. Analysis of portions of the putative helicase, polymerase and capsid genes demonstrated close genetic relatedness among themselves...
A live-attenuated dengue 2 vaccine (strain 16681 PDK 53) developed at Mahidol University, Thailand was evaluated for safety and immunogenicity by administering 10 4 p.f.u. subcutaneously to ten flavivirus non-immune American volunteers. The vaccine was safe; there were no serious adverse reactions. Eight recipients experienced no or mild side effects. One recipient reported headaches on...
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