Health officials issue warning of upcoming flu season

ABC News' Dr. Jennifer Ashton reports on a virulent strain of flu officials are seeing now in the Southern Hemisphere and what you need to know about flu vaccinations.
1:26 | 09/29/17

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Transcript for Health officials issue warning of upcoming flu season
Nick, thank you. . New warning about the flu. Hard to believe flu season almost here. Officials say this year could be dangerous buzz of a certain strain. Dr. Jen Ashton is here. What's the concern? About preparing for the worst and we hope for the best. CDC tracking flu activity in the southern hems fear. They're seeing H 3 N 2. That is the bad actor. We saw it here last year. It makes people very sick. They're concerned that's going to be hitting us soon. Flu by the numbers. Last year about two out of every five Americans were vaccinated. This year they made about 166 million doses of the vaccine. Encouraging everyone over the age of six months to be vaccinated. No flu mist this year. There is a jet inject or that is needle free for people who want to avoid that. Very important to get that vaccination. Nasal spray not an option. That is correct. The flu vaccine widely available. I can't emphasize this enough. It's not a bad cold. Take it seriously. Emotional moment on capitol hill as the return of Steve

This transcript has been automatically generated and may not be 100% accurate.

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