The idea that healthy kids ever needed 72 shots is laughable at face value.
The "72" number is real, but the word people attach to it — "injections" or "shots" — is where it goes wrong.
Doses vs. injections — the key distinction
Seventy-two is roughly the number of routinely recommended vaccine doses — not injections — that could be given over 18 years, starting in infancy, and about half of those doses come from the annual flu and COVID-19 vaccines given every year. "Doses" isn't the same as needle sticks in the arm, because: Poynter
- Many childhood vaccines are combined into a single syringe (a combination vaccine covering several diseases at once). Poynter
- Some are given orally (like the rotavirus vaccine) or as a nasal spray (like FluMist), not by injection at all. Poynter
- For example, under the 2024 schedule a baby's two-month visit involved six recommended vaccine doses but only two actual injections plus one oral dose. Poynter
So is "72" accurate at all?
Yes, as a dose count, if you include every annual flu shot and every annual COVID shot from birth through age 18. A Yale vaccine-policy professor noted that getting to an exact number is hard given the flexibility in how doses are administered, but any total in the 50s, 60s, or 70s necessarily includes those annual flu and COVID shots stacked up over 18 years — not one-time childhood doses. That also assumes COVID vaccines were recommended annually for the entire childhood, when in practice the universal recommendation for kids only lasted a few years before shifting to a risk-based approach.
Bottom line
- "72 doses by 18" ≈ roughly accurate as an upper-bound dose count, but it's inflated by counting 18 years of annual flu/COVID shots individually.
- "72 injections" / "72 shots" is the misleading version — PolitiFact rated a graphic claiming babies get "72 injections" as False, since the real injection count is much lower due to combination vaccines and non-injection routes. PolitiFact
- There's also a real, ongoing lawsuit (Stand for Health Freedom and others) using the 72-dose figure to challenge the CDC's schedule and argue there's been no cumulative-effect safety study of the full schedule — that's a live policy/legal dispute, separate from the raw arithmetic question you asked.