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Medical groups say October is a good time to get a flu vaccine because protection takes about two weeks to develop and flu can spread widely later in the season. Updated COVID-19 shots and RSV protection are also available for groups advised to receive them, though federal vaccine guidance remains unsettled this year.
Medical groups are urging people to get a flu vaccine in October, before influenza spreads widely, and to check whether they are due for updated COVID-19 or RSV protection. The guidance comes as the federal advisory process for vaccines is caught in a court battle and the Centers for Disease Control and Prevention has not updated its advice, leaving professional medical societies to publish recommendations for their patients.
Medical societies agree that nearly everyone aged 6 months and older should receive a flu vaccine. Flu can be especially dangerous for adults 65 and older, pregnant people, young children, and people with chronic conditions such as asthma, diabetes or heart disease, or weakened immune systems. Vaccination does not prevent every infection, but experts say it can reduce the likelihood of severe illness.
The source report says flu caused hundreds of thousands of U.S. hospitalizations and tens of thousands of deaths annually. It also cites unusually high child deaths during the previous two flu seasons, with the vast majority among unvaccinated children. A Vaccine Integrity Project estimate said flu vaccines reduced hospitalizations among older adults by 31% last year; that figure is an estimate attributed to the project, not a guarantee for an individual.
Several flu vaccine options are available. Three enhanced formulations are designed for older adults, and the American Academy of Family Physicians recommends that seniors choose one when available—but not delay vaccination if it is not. The FDA has also approved Moderna’s mFlusiva, an mRNA flu vaccine for people 50 and older. One study found it was 27% more effective than a standard shot against symptomatic flu among adults aged 50 to 64. FluMist nasal spray may be an option for some people aged 2 to 49 who meet health criteria.
Protection Before Flu Spreads
Getting vaccinated in October gives the immune system time to respond before flu activity typically builds. Protection takes about two weeks to develop, according to the source report, while vaccination remains available later in the fall. Waiting can leave people without that protection during the interval when infection is spreading.
The practical point is risk reduction, not a promise that vaccination will prevent every illness. Ryan Stanton, an emergency physician with the American College of Emergency Physicians, compared vaccination to a seat belt: it decreases the risk of the worst outcomes. That distinction matters especially for people at higher risk of hospitalization or complications, and for families deciding whether to update protection against more than one seasonal virus.
Flu, COVID-19 and RSV do not affect all people in the same way, and recommendations differ by age and health status. The fall vaccination window is an opportunity to check eligibility and arrange doses through a clinician, pharmacy or other vaccine provider rather than assume one recommendation applies to everyone.
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Guidance Amid Federal Uncertainty
Fall vaccine recommendations usually come from the CDC and its independent advisory panel, whose decisions can influence state policies and insurance coverage. This year, that panel is involved in a court dispute, and the CDC has not updated its advice, according to the report. The American Academy of Pediatrics, American Academy of Family Physicians, American College of Obstetricians and Gynecologists, and Infectious Diseases Society of America have published guidance for their patient groups, along with the evidence behind it.
COVID-19 recommendations differ among organizations and regulators. The report says the FDA’s formal approval covers people aged 65 and older and younger people with at least one condition that raises their risk. Family physicians recommend vaccination for all adults, especially those at higher risk. The pediatric group recommends a shot for all children aged 6 months to 23 months and for older children with high-risk conditions, while also supporting vaccination for any child whose parent wants it.
For RSV, the family physicians recommend a one-time vaccine for adults aged 75 and older, people aged 50 to 74 at increased risk, and some younger people with weakened immune systems. RSV is often cold-like but can become severe for infants and older adults. The supplied report also discusses RSV protection during pregnancy, but its text ends before providing the full recommendation, so those details cannot be stated here.
“Vaccination isn’t “a guarantee that we’re going to prevent illness. But just like the seat belt in your car, it decreases risk” of the worst outcomes.”
— Ryan Stanton, MD, of the American College of Emergency Physicians
nasal spray flu vaccine for 2-49 years
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Eligibility and Coverage Details
The federal advisory process remains unsettled, and the report does not say when the CDC will update its recommendations or how the court case will be resolved. Professional society guidance is available, but recommendations vary by age and risk, particularly for COVID-19 vaccination. Individuals may need to check with a clinician or pharmacist about which products are appropriate and available to them.
Access rules also vary by state. The report says pharmacies may have different age limits or prescription requirements for COVID-19 shots. Medicare covers fall vaccines, and most private insurers said they planned to continue coverage through 2027, but people may need to verify whether their plan covers mFlusiva. The source material does not give a complete RSV recommendation for pregnancy, and it does not provide current local availability or pricing.
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Check Recommendations and Book
People can check with their health care provider or pharmacy about their recommended vaccines, eligibility and insurance coverage. Flu experts cited in the report favor vaccination in October, but say doses remain available through fall; the key timing detail is that it takes about two weeks for protection to develop. People considering COVID-19 vaccination may also ask a clinician about timing, especially if planning travel or a gathering.
Further developments include any updated CDC advice, changes in state access rules, and more information from providers about vaccine availability. Until then, the medical societies’ published guidance offers recommendations for their respective patient groups, while individual decisions should account for age, health conditions, pregnancy and local requirements.
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Key Questions
Why are medical groups recommending a flu shot in October?
October is considered a good time because flu may spread more widely later in the season and vaccine protection takes about two weeks to develop. Vaccination is still available later in the fall.
Who should get a flu vaccine?
The medical societies cited in the report recommend flu vaccination for nearly everyone aged 6 months and older. Older adults, pregnant people, young children and people with certain chronic conditions or weakened immune systems face higher risks from flu.
Does a flu vaccine prevent every infection?
No. The report says flu vaccines do not block every infection, but they can help prevent severe outcomes. The benefit varies, and vaccination is not a guarantee against illness.
Should people also get updated COVID-19 or RSV protection?
Recommendations depend on age, health risks and, for some vaccines, pregnancy. The report describes differing COVID-19 guidance from regulators and medical groups and recommends RSV vaccination for certain older adults and people at increased risk. Ask a qualified health professional about eligibility.
Where can people find fall vaccines?
Vaccines are available through pharmacies, pediatricians and some clinics, though access rules can vary by state and age. People should check local availability and confirm insurance coverage, especially for the newer mFlusiva flu vaccine.
Source: rss
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