Some experts are left wondering why, with a booster shot available, they aren’t being made to create protection from the newer, stronger, and deadlier versions of the virus.
The FDA doesn’t see a need to since evidence seems to show that the boosters offer enough protection against the Delta variant.
While the FDA sees nothing wrong with keeping the old vaccine, Pfizer and Moderna are both working on a formula that would directly target different variants that have proven to be deadly, as well as any future ones that may pop up.
Experts say a special formula just for Delta isn’t necessary because despite it being more contagious, it doesn’t look much different to the immune system.
Other experts feel a more specific vaccine tailored toward Delta would offer better protection for whatever evolves out of Delta next.
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