Click on the sharing buttons to link to the post in your own tweet, Facebook post, email, or even WhatsApp message.
This post was vetted by experts, so you can be confident it’s accurate.

The need for booster doses depends on three things 👇
- How strong the initial triggered immune response is.
- If protection wears off over time.
- How prone to mutation the pathogen is.
For some diseases, boosters are necessary to ensure adequate protection. For others, one shot is enough to get complete and durable protection.
Sources: https://tinyurl.com/SUFWhyBoosters
Share our original tweet!
For some diseases, boosters are necessary to ensure adequate protection. For others, one shot is enough to get complete and durable protection. Here’s why 👇
— ScienceUpFirst | LaScienced'Abord (@ScienceUpFirst) April 25, 2023
Got booster questions? Let us know in the comments.#ScienceUpFirst #NIAW2023 #VaccinesWork pic.twitter.com/n3NqG8PTMe
See our original Instagram post!