However, against the Delta variant, the efficacy dropped. One study showed that the two doses of the Pfizer vaccine was 88% effective against the Delta variant.
Pfizer’s booster shot could be ready by September 20th 2021, in line with the previous deadline set by the White House. The FDA is meeting on September 17 to discuss Pfizer’s booster shot. However, White House medical adviser, Anthony Fauci stated that “Moderna’s third shot might not be read
```
Members Only
Login or create an account to continue
This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.
New to BusinessDay? Register now and start reading.
```
