China’s bird flu vaccine already on trial amid forecasts of disaster As scientists in the west warned of a possible global pandemic killing hundreds of thousands, China has apparently developed vaccines that block the spread of the deadly H5N1 strain of bird flu among birds and mammals buy generic priligy uk http://www.priligyreview.net/generic-priligy-review.html . There is normally grave fear among researchers that avian flu, which is definitely infectious in birds but does not spread among humans easily, could mutate into a form even more capable of passing from pets to people. It had been eight years ago that the H5N1 stress of the virus 1st surfaced in poultry in Hong Kong and China, and it provides since killed 37 people in Vietnam, 12 in Thailand and four in Cambodia.
Furthermore, most studies showing that chlamydia screening is definitely cost effective do not satisfy accepted quality criteria for economic evaluations, says the writer. They also have a tendency to overestimate the cost performance of chlamydia screening. Introducing a chlamydia screening programme is likely to be an expensive intervention therefore. Related StoriesDespite reduced HIV/AIDS deaths, disease still persists in South AfricaStudy evaluates performance of antiretroviral treatment in HIV-infected childrenSafe, effective douche-centered rectal microbicide can prevent HIV in gay menIn Sweden, decreases in prices of chlamydia and its complications occurred at the same time as both widespread chlamydia testing and national HIV prevention attempts were introduced.