Health officials in Ohio and Pennsylvania each reported recently on new human infections with novel influenza A '“variant” viruses.
Ohio, Pennsylvania report new human 'swine flu' cases, US total now 7
Ohio, Pennsylvania report new human 'swine…
Ohio, Pennsylvania report new human 'swine flu' cases, US total now 7
Health officials in Ohio and Pennsylvania each reported recently on new human infections with novel influenza A '“variant” viruses.