News & Perspective

(CIDRAP News) – In a new analysis of serologic studies from 19 countries, researchers estimate that about 24% of the population were infected with the 2009 H1N1 influenza (pH1N1) virus during the first year of the pandemic, a finding modestly higher than what US health officials estimated in the immediate aftermath of the pandemic.

(CIDRAP News) – Many Northern Hemisphere countries, from North America to temperate Asia, have seen rising flu activity in recent weeks, while cases ebbed or remained scarce in most of the rest of the world, the World Health Organization (WHO) said today.