Program intends to develop and test a vaccine against all four major parasitic worm infectio
In Scientific American, Ciro de Quadros discusses the victories and challenges in eradicating polio.
Severe acute respiratory syndrome (SARS) emerged as a new human infection in South China in 2002, and ultimately caused over 8,000 infections and almost 800 deaths as it spread to five continents along airline routes. While the overall mortality rate from SARS during the 2002-03 pandemic was approximately 10 percent, the mortality among the elderly exceeded 50 percent. Subsequent outbreaks were reported later in 2003 with the latest outbreak in 2004 in China occurring as a result of accidental exposure in a laboratory.