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US health officials are pushing Americans to get vaccinated against the flu to help prevent hospitals already busy battling COVID-19 from being overwhelmed this winter, but false claims are threatening their efforts.

Misinformation on , particularly that a will increase the risk of contracting the or cause you to test positive for COVID-19—it won’t—is undermining the public health message.

One false claim circulating on Facebook and Instagram said a flu shot would raise the probability of COVID-19 infection by 36 percent. Another on Instagram said Sanofi’s Fluzone was 2.4