(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.
Antiviral-resistant H1N1 virus in Australia didn't spread farAn oseltamivir-resistant 2009 H1N1 virus that spread in one Australian community in 2011 apparently did not escape to a nearby large city, according to a report published in Eurosurveillance yesterday. Researchers previously reported the community spread of a resistant 2009 H1N1 virus in the Newcastle, Australia, area from June through August of 2011, the report notes.
(CIDRAP News) – Lapses in health measures during the second season that the 2009 H1N1 flu virus circulated in England probably contributed to a heavier disease burden—marked by more deaths and hospitalizations—than during the 2009-10 pandemic, researchers reported today.
(CIDRAP News) Australian public health officials yesterday reported a cluster of oseltamivir (Tamiflu)-resistant 2009 H1N1 infections, one of the largest to date, centered in one region of New South Wales state.