The good news, according to the World Health Organization, is that the H1N1 virus has peaked in much of the northern hemisphere, with substantial declines in the U.S. and Canada.
While the disease is still active in the U.S., increases are occurring in central and eastern Europe, and in parts of west, central and south Asia.
For more, Daljit Dhaliwal interviews Martin Blaser, past president of the Infectious Diseases Society of America and the current chairman of the Department of Medicine at the Medical School of New York University.
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