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A flu pandemic is when a new type of influenza virus emerges—that most people aren’t immune to—and spreads around the world. ... Most vaccines today are “quadrivalent,” meaning they ...
It can’t infect you, but it makes your immune system build antibodies. Influenza, a.k.a. the flu, is also more dangerous than a run-of-the-mill cold. ... How to Fight Colds and Flu Today ...
For more than a decade, flu shots in the U.S. also protected against a fourth strain of influenza B, but that strain hasn’t circulated since March 2020, so the Food and Drug Administration’s ...
The flu shot protects not only the individual but also vulnerable populations like the elderly, pregnant women and people with weakened immune systems. 4. The flu shot doesn’t work
Another flu pandemic occurred in 1781–1782, starting in China in autumn. [68] From this pandemic, influenza became associated with sudden outbreaks of febrile illness. [77] The next flu pandemic was from 1830 to 1833, beginning in China in winter. This pandemic had a high attack rate, but the mortality rate was low. [34] [68]
“The flu shot can make people feel a little run down the next day," Dr. Yancey. "It sounds mean to say it but that is a good thing, the fever and achiness is a marker of a nice brisk immune ...
Only around one-third of children have been vaccinated against the flu, according to the latest data from the U.S. Centers for Disease Control and Prevention (CDC). As of Nov. 30, only 37% of kids ...
"The flu shot is a killed flu virus that consists of only half of the virus — the part you need to make an immune response to," said Andrew Pekosz, Ph.D., professor of molecular microbiology and ...