Norwegian health authorities said on Friday they have discovered a potentially significant mutation in the H1N1 influenza strain that could be responsible for causing the severest symptoms among those infected.
The H1N1 flu is moving eastwards across Europe and Asia after appearing to peak in parts of western Europe and the United States, the World Health Organization (WHO) said on Friday.
DURHAM, N.C., Nov. 20 (UPI) -- Four patients with H1N1 influenza at Duke University Hospital in Durham,N.C., were resistant to Tamiflu, university officials confirmed Friday.
MADISON, N.J., Nov. 20 (UPI) -- Data from a laboratory testing company suggests the H1N1 flu may have peaked in October in the United States, company officials said.
China has promised severe punishment for officials caught concealing deaths from H1N1 swine flu after a medical expert said suspect cases may have been held back by local governments.
NEW ORLEANS, Nov. 20 (UPI) -- As shoppers prepare for Black Friday retail sales, a U.S. infectious disease expert warns stores can be an H1N1 virus petri dish.