Most adults think of vaccines as a childhood thing — and then forget about them for decades. But several vaccines either wear off, become relevant only with age, or are now recommended universally regardless of childhood history. Here's the plain-language version of the current schedule, broken out by life stage.
The Universal Ones (Every Adult, Every Year)
- Influenza (annually) — for everyone 6 months and older. Reformulated each year to match circulating strains.
- COVID-19 — per current schedule (typically one updated dose annually for most adults; more frequent for immunocompromised).
Once or in Limited Doses
- Tdap — one dose, then Td every 10 years. Replaces the older "tetanus booster" and adds pertussis (whooping cough) protection, important around infants.
- HPV (Gardasil 9) — routinely through age 26; shared clinical decision-making for ages 27–45. Protects against the HPV types causing most cervical, anal, and oropharyngeal cancers.
- Hepatitis B — now recommended for all adults aged 19–59 (a 2- or 3-dose series). Universal recommendation came after steady increases in acute HBV cases among adults.
- MMR — adults born in 1957 or later without documented immunity need at least one dose; two doses for healthcare workers.
- Varicella — adults without evidence of immunity need two doses if they haven't had chickenpox.
Starting at Age 50
- Shingles (Shingrix) — recommended for everyone 50+, two doses 2–6 months apart. Highly effective at preventing both shingles and the long-lasting nerve pain (postherpetic neuralgia) that can follow. Worth prioritizing.
- RSV (Arexvy, Abrysvo) — adults 60+ with shared decision-making (or 50–59 with risk factors such as chronic lung or heart disease). One dose currently.
Age 65+
- Pneumococcal — one dose of PCV20 (or PCV15 followed by PPSV23) for everyone 65+. Protects against the bacteria causing most pneumococcal pneumonia, meningitis, and bloodstream infections. Earlier if you have chronic heart, lung, liver, or kidney disease, diabetes, alcohol use disorder, or are immunocompromised.
Risk-Based (Talk to Your Doctor)
- Hepatitis A — for travel, men who have sex with men, people who use drugs, chronic liver disease.
- Meningococcal — complement deficiency, asplenia, travel to the meningitis belt, college freshmen in dorms (often already required).
- Travel vaccines — yellow fever, typhoid, Japanese encephalitis, cholera — destination- and itinerary-dependent.
The Ones Most Adults Can Skip
A few products are heavily marketed but offer little incremental value for the general adult population:
- "High-dose" flu vaccines unless you're 65+ or immunocompromised — the standard formulation works well for most adults.
- Additional shingles doses beyond the primary two-dose series — not currently recommended regardless of age.
- Annual COVID boosters for low-risk adults — the current CDC guidance emphasizes risk-based decisions, not blanket annual dosing.
How to Actually Catch Up
If you haven't reviewed your vaccines in years, a single visit can establish where you stand. Bring any old records (especially if you've lived abroad), ask for a "vaccine review," and let your clinician cross-check against the current CDC adult schedule. Many pharmacies can administer the common ones without a separate clinic visit — often at low or no cost through insurance.
The Bottom Line
Vaccination in adulthood is a cheap, low-risk way to avoid diseases that disproportionately hospitalize older adults. The high-yield set: annual flu, COVID-19 per current schedule, Tdap once + Td every 10 years, Shingrix at 50, pneumococcal at 65, hepatitis B through 59, and HPV through 26 (or 45 by shared decision). Everything else depends on your specific risk profile. Prevention here is dramatically cheaper and safer than the infections it prevents.