(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.
(CIDRAP News) As the World Health Organization (WHO) convened its annual meeting today, several countries urged the agency to use caution in weighing whether to declare a full-scale pandemic, despite signs that the novel H1N1 influenza virus is now spreading in Japan.
The World Health Organization (WHO) reported 331 cases of swine influenza H1N1 in 11 countries as of 6 a.m. GMT today. The case numbers by country are United States, 109 (1 death) (these are yesterday's totals); Mexico, 156 (9 deaths), Canada, 34; Spain, 13; United Kingdom, 8; New Zealand, 3; Germany, 3; Israel, 2; and 1 each in Austria, the Netherlands, and Switzerland. [WHO update 7]