Why Getting Children Flu Shots Is Even More Important This Year

Making sure that your kids get a yearly flu shot is always a good idea, but even more so this fall, as the coronavirus continues to spread throughout much of the United States.

As any parent knows, cold and flu season always brings a host of respiratory viruses and runny noses, but this year there’s the possibility of getting both the flu and Covid-19. So public health leaders are urging everyone to get the flu vaccine to both protect ourselves and prevent hospitals from being overwhelmed with sick patients.

“Every time you get a virus it can predispose you to having another infection on top of it,” said Flor M. Muñoz, M.D., a pediatric infectious disease specialist at Texas Children’s Hospital in Houston and the lead author of the American Academy of Pediatrics’ recommendations for preventing influenza.

If you’ve been thinking about this year’s flu shot, and wondering when to get it or where to go during the pandemic, we have answers below.

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It depends. Children typically receive their first flu shot starting when they are 6 months old, at which point they are given another shot about four weeks later. That’s because the immune systems of young children under the age of 9 don’t have as strong a response to the vaccine as older children and adults do, Dr. Muñoz said. Peak immunity will develop about two weeks after the second shot.

Children who are younger than 9 and have never before received the vaccine will also need two flu shots this year, spread out about four weeks apart. Likewise, children under 9 who have received just one flu shot in the past — and then never received another flu shot at any other point in time — should also get two shots this year.

Children 9 and older only require one flu shot, and it will take at least two weeks for those children to be fully protected after the shot is administered.

If you’re unsure, ask your child’s doctor for guidance.

The American Academy of Pediatrics says that as long as your kids get the flu shot in September or October they’ll be covered. Although there have been flu shot shortages in the past, this year has not seen any delays in production, according to the Centers for Disease Control and Prevention, and vaccine manufacturers project that they will supply 20 million more doses this flu season than they did last year, for a total of nearly 200 million.

Doctors say it’s best not to put off getting the vaccine. As the school year gets busy, it can become more difficult to find time for an appointment. Plus, if you wait until the end of October, Covid-19 cases could increase in your area, making it riskier to visit a clinic or doctor’s office to get the flu vaccine.

It’s “better to get it when you are thinking about it, otherwise you might wait too long or forget,” said Mark Sawyer, M.D., a pediatric infectious disease specialist at Rady Children’s Hospital-San Diego and a professor at the University of California, San Diego.

Children who need to get the flu shot twice should get the first dose as soon as possible.

For kids who start in September, “it’s going to be mid-October by the time they get fully protected, assuming they get their second dose within four weeks,” Dr. Muñoz said.

Everyone who plans to get the flu shot should be fully vaccinated by the end of October, she advised.

According to the C.D.C., the flu season can begin as early as October and continue as late as April or May. The immunity conferred by the flu shot decreases over time, but more so in adults than kids, Dr. Sawyer added. So don’t worry about whether you are timing the shot precisely and just plan to get your kids vaccinated in September or October.

If it’s already November or December and your kids haven’t yet gotten vaccinated, don’t be discouraged. Have them get vaccinated as soon as possible.

And even if your kids don’t get the vaccination and then come down with the flu, you should still get them vaccinated when they recover, because everyone can get the flu more than once, Dr. Muñoz said.

On Thursday, the Department of Health and Human Services gave permission to pharmacists nationwide to administer all scheduled shots to children as young as 3, including the flu vaccine. You can use the Vaccine Finder website to locate a place near you.

Although parents now have more options of places to vaccinate their children, it may be most beneficial to do so at your pediatrician’s office because they know your child’s medical history and you’ll have the opportunity to discuss other things, for example sleep issues or developmental milestones, or to get other vaccines that might have been missed earlier this year.

It’s important to maintain that contact with your child’s doctor, especially for younger children, Dr. Muñoz said.

If you do decide to go to a pharmacy, don’t forget to keep a record of the vaccine and when it was given, particularly for children who may need a second dose, Dr. Sawyer advised.

Instead of getting a shot, children 2 years and up can get a vaccine nasal spray. It doesn’t matter which type of age-appropriate vaccine you get, according to the C.D.C., all are effective.

No, your child still needs to get the flu shot.

“Even if you had the flu two years ago or the year before, it might be that the strains that are around causing the flu this year are completely different,” Dr. Muñoz said. “It’s unusual to have the same strain of virus circulating every year.”

This year’s vaccine covers four flu strains and three of the four strains were not in last year’s flu vaccine, she added.

There are two types of flu viruses that most seriously affect humans: influenza A and B. Each type of virus has multiple strains, any one of which could be in circulation. In addition, the strains can mutate during the flu season and will be perceived as a new virus by our immune system.

All of this makes it difficult to predict in advance which strains will be most prevalent or virulent in the fall. Each year, the World Health Organization makes its best guess as to which strains will be in circulation and issues its recommendations for the flu vaccine.

Other steps you can take to help prevent respiratory viruses, like the flu, include: staying away from people who are sick; washing your hands frequently; avoiding touching your eyes and mouth, because that is one of the ways that germs are spread; continuing to wear masks in public places; and social distancing whenever possible.

“Very little flu” is currently being reported in the Southern hemisphere, Dr. Muñoz said. “Probably because people are wearing masks and washing their hands.”

Finally, be sure to clean and disinfect frequently touched surfaces at home, like doorknobs and light switches. And the C.D.C. says that developing good habits can also help your body stay healthy: Get enough sleep, exercise, drink plenty of water and eat a nutritious, balanced diet.

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