(CIDRAP News) Researchers who took a detailed look at 2009 H1N1 deaths in Mexico, where the virus was first detected, found that the new flu virus was more deadly than most seasonal flu epidemics and more lethal than in other countries, which confirms impressions early in the pandemic that the disease was worse in Mexico.
(CIDRAP News) Delegates from 193 countries met today in Geneva at the start of the World Health Assembly (WHA), which will address several infectious disease topics, including a report from an independent pandemic review committee, a virus-sharing agreement, and the fate of the world's remaining smallpox virus stocks.
(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) A letter and commentary published this week in Emerging Infectious Diseases explore the idea that "original antigenic sin"the hypothesis that the first influenza A virus a person encounters in childhood strongly influences his or her immune responses to all related flu viruses encountered latermay explain the partial protection that older people have against the pandemic H1N1 flu virus.
(CIDRAP News) – Despite a rapidly launched range of studies, investigators in Canada are still unable to say—or to rule out—whether receiving a seasonal flu vaccination in the 2008-09 season made it more likely that Canadians would become ill from 2009 pandemic H1N1 flu.
(CIDRAP News) Just days before a Council of Europe hearing to discuss claims that pharmaceutical companies influenced the World Health Organization's (WHO's) pandemic response, the global body said charges by some European officials that the pandemic is "fake" are "wrong and irresponsible."
(CIDRAP News) A study of California's most severely ill patients during the first 16 weeks of the novel H1N1 pandemic is in line with other recent studies that have shown two unique features of the virusthat it hits young people hard and that obesity appears to be a risk factor.
(CIDRAP News) – A collection of new studies is demonstrating once again the ability of the pandemic H1N1 virus to make some people desperately sick and is raising questions about the potential strain on critical-care resources this fall and winter.
(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 todayfindings that could explain autopsies and case reports of severe pneumonia as well as the virus's rapid spread.