They said the flu itself is a much greater danger to women and their fetuses.
Almost two-thirds of USA adults say they get the flu vaccine each year or plan to get one in 2017, according to a July 2017 survey by Harris Poll on behalf of CVS Pharmacy. Officials say our trends with the flu normally mimic theirs.
Older people, especially those over 80, have been particularly affected, and care homes have been hit hard: at one in Victoria, eight residents died.
Like last year, the nasal spray vaccine is not recommended this year. There are a few children who can not receive the nasal spray and they will be offered the injection instead.
"Get to the doctor, call Nurse on Call, call an ambulance if you feel someone is very unwell".
Flu season typically runs from October through March, and it takes about two weeks for the vaccine to take effect.
This year's vaccine has been updated to better match circulating viruses, according to the health agency.
The CDC recommends people get their flu shot before the end of October. Flu season in the USA runs October through May. It is offered as the best protection for people over 65 and "at risk" groups because if they get flu, they are more likely to have severe illness and/or develop complications such as pneumonia, which can be life-threatening.
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According to the CDC, you need to receive your flu vaccination before it begins spreading in your community.
Last season, the vaccine was only about 48 percent effective. The flu is caused by viruses that infect the nose, throat and lungs. But HA's head is highly mutable, which is why vaccinemakers must come up with a new formula every year.
"It's not too late to get vaccinated", stressed Ms Hennessy. He said it's so important to get your shot because it can affect so many people around you.
'The vaccine can still reduce your chance of getting flu by about 20 to 60 per cent - it varies: in some years it is higher, and in other years it is lower.
Past studies have found flu vaccines are safe during pregnancy, though there is been little research on impact of flu vaccinations given in the first three months of pregnancy. It's flu shot season.
Ultimately, the holy grail would be a vaccine that tackled all types of flu virus by targeting the part of it that is universal to them all.
Myths like like the flu shot making people sick, which is not true because it's a dead vaccine, so fever or feeling achy afterward is a reaction to the shot not the vaccine.
There's also a lot of misinformation being spread about the flu shot.