Via Reuters:
" The H1N1 swine flu virus can develop resistance quickly to antivirals used to treat it, U.S. doctors reported on Friday.
Government researchers reported on the cases of two people with compromised immune systems who developed drug-resistant strains of virus after less than two weeks on therapy.
Bacteria quickly develop resistance to antibiotics, which must be used carefully. Viruses can do the same and doctors worried about resistance had recommended against using antivirals for flu except in patients who really needed them."
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