Health professionals are urging citizens to get their flu shot.
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Following last year’s flu season — the worst in decades, killing an estimated 80,000 Americans — health professionals have a strong warning for citizens as this year’s flu season arrives: get your flu shot.
“The flu shot is incredibly important because it reduces your risk of contracting the flu,” Michelle Lin, an emergency room doctor, and professor of emergency medicine at Mount Sinai in New York City, told Fox News on Thursday.
“It also reduces your risk for complications and passing it to other people, especially pregnant women, young children and the elderly,” who are more susceptible to the virus, she added.
Here's what you need to know about the 2018-19 flu season.
How long does it take for the vaccine to take effect?
Roughly two weeks, Lin said. During this time, your body is developing antibodies to protect you against the virus. Lin said she and other health professionals have recommended patients receive the vaccine before the end of October, as flu season typically peaks during the cold, dry weather between December and February.
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That said, Lin noted receiving the vaccine anytime during the season is “better late than never.”
How many strains of flu does the vaccine protect against?
Lin said this year’s vaccine protects against three or four strains of the flu.
Looking at weather patterns and using statistics and other data, health professionals make an educated guess of which strains will be the most contagious during each flu season, Lin explained.
“The shot this year should work well if it matches the predicted strains,” she said.
Mirella Salvatore, an infectious disease specialist at Weill Cornell Medicine and NewYork-Presbyterian, told The New York Times the strains which are currently circulating match that in the vaccine, but noted “even when vaccines do not match circulating strains they seem to prevent severe disease, and studies show that unmatched vaccines can still avert million of hospitalizations.”
As The Times reported, you can track which strains are currently circulating through the Center for Disease Control and Prevention's (CDC) Weekly U.S. Influenza Surveillance Report.
What is a common misconception about the flu vaccine?
While there are many misconceptions about the flu vaccine, “the most common one we hear is that it gives people the flu,” Lin said.
While reactions to the flu shot may include a low-grade fever or muscle aches, the vaccine cannot cause the flu virus. The shot is either made with a virus that has been “killed” or “inactivated" or made with “only a single gene from a flu virus (as opposed to the full virus) in order to produce an immune response without causing infection,” the CDC says.
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How severe will this year’s flu season be?
It’s hard to predict how severe the flu season will be this year, Lin said.
That said, the flu season in Australia, in particular, can give experts an idea of how severe the flu season in the U.S. might be — as the U.S. tends to echo Australia in both severity and strains. The flu season in Australia this year was relatively mild, health experts said.
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