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Maine CDC Health Advisory
September 27, 2019
Influenza Arrives in Maine
Influenza has officially arrived in Maine. Multiple Maine facilities reported influenza positive lab results in the last week, including a PCR confirmed case, which tested positive for influenza A and was typed at Maine's Health and Environmental Testing Lab (HETL) as influenza A/H3. This individual is an adult who was not hospitalized, was unvaccinated, and had recent travel history.
The 2019-2020 influenza season officially begins on September 29, 2019. Individuals should NOT wait to get vaccinated as influenza is already present in the state. Both Influenza A and B strains are currently circulating nationally. The 2019-2020 quadrivalent influenza vaccine contains components of both A strains (H1 and H3) as well as two B strains (Yamagata and Victoria). Quadrivalent vaccine is recommended for optimal protection, however if only trivalent vaccine is available the recommendation is not to wait and obtain the vaccine as soon as possible.
