In late March and early April 2009, cases of human infection with swine
influenza A (H1N1) viruses were first reported in Southern California and near
San Antonio, Texas. CDC and local and state health agencies are working together
to investigate this situation.CDC has determined that this virus is contagious
and is spreading from human to [...]
influenza A (H1N1) viruses were first reported in Southern California and near
San Antonio, Texas. CDC and local and state health agencies are working together
to investigate this situation.CDC has determined that this virus is contagious
and is spreading from human to [...]
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