The current flu season appears to have peaked after getting off to an unusually early and harsh start, the U.S. Centers for Disease Control and Prevention reported Thursday.
The number of West Nile virus cases in 2003 has tripled since last week and may eventually surpass the total for last year, the U.S. Centers for Disease Control and Prevention said Thursday.
The number of gay and bisexual men in the U.S who tested positive for the virus that causes AIDS jumped 7.1 percent in 2002, while the number of new HIV diagnoses remained stable for other vulnerable groups.
Despite concerns voiced by health care workers' unions and a scientific panel, officials from the Centers for Disease Control and Prevention said that mass vaccination of a half-million medical workers could start as soon as next week.
Jim Lehrer talks with Dr. Jeffrey Koplan, director of the Centers for Disease Control and Prevention.
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