News & Perspective

(CIDRAP News) – More signals suggest the Southern Hemisphere's flu season is winding down, while activity is low at the start of the Northern Hemisphere's flu season, except in China, which is seeing moderate H3N2 circulation.

(CIDRAP News) – The novel H1N1 (swine) influenza now circling the globe causes more serious lung disease than seasonal flu strains and sheds from the lung and throat tissue where it reproduces at higher rates, according to two animal studies published today—findings that could explain autopsies and case reports of severe pneumonia as well as the virus's rapid spread.