After a report from Betty Ann Bowser on the CDC's latest efforts to stop the spread of the H1N1 flu, Margaret Warner talks to health experts about what's being done to better understand how the virus works and why it…
New cases of the H1N1 Flu virus continue to spread slowly in the U.S., with the number of confirmed cases at 141 in 19 states on Friday. Margaret Warner reports on efforts to halt the virus's spread both in the…
Ray Suarez is in Durban, South Africa, reporting on the deadly airborne disease tuberculosis, which has been nearly wiped out in some parts of the world but is flourishing among the South African population, especially those weakened by HIV.
By Admin, PBS NewsHour
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