Intemperate zones of the Southern Hemisphere, countriesare not reporting increases in influenzaactivityaboveepidemicthresholds, orunusually earlyinfluenza activity.
To date, the CDC has not found any incidence of Influenza A or B resistance to the two main anti-viral medications given to patients within the first 48 hours of infection: oseltamivir and zanamivir.
During known outbreaks, a diarrheal illness is likely to be Norovirus and an influenza-like illness (defined as temperature of 100 or greater, cough or sore throat, and not other explanation) is likely to be flu.