Word: viruses
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...experts said they are concerned that the flu shots will not be as effective as in past years. The vaccination only provides immunity against three strains of the flu virus, and the strain emerging this season is not one of them...
...equipment, including a computer and fax machine, all donated by Ho, will enable Mangxi to share vital data with Kunming, 280 miles away, and with Ho's group in the U.S. Yunnan's first case of HIV infection was discovered in Mangxi in 1989. Presumably the virus has been circulating here the longest; being able to include patients from the region in his study will enable Ho to tell how quickly the virus is mutating and which strains should be part of his experimental inoculation...
...wants to find and monitor 500 HIV-negative patients in the Mangxi area who are at high risk of becoming infected. Merging information on how many in this population eventually become HIV positive with data from the urban residents of Kunming will help him measure how quickly the virus is spreading...
...starting to look as if this year's flu season could be a bad one. Influenza cases began a month early, a particularly nasty strain of the virus popped up too late to be included in vaccine preparations, and at least nine flu-stricken children in Colorado and Texas have died. Now comes word that vaccine manufacturers have shipped their entire inventory--enough for the usual quota of 80 million shots. But demand has been so high that some areas are beginning to see shortages...
...health advances can come in the form of tiny innovations. In Foster City, Calif., drug company Gilead has a very simple plan to tackle HIV: make the drugs easier to take. The firm gained headway two years ago when it introduced its Viread antiretroviral (HIV is a type of virus known as a retrovirus), which lasts longer than other similar medications and is more convenient for the user. In 2002 Gilead took in an incredible $226 million, almost half its annual revenue, from Viread...