https://coronavirusexplained.ukri.org/images/article/MutationsinCOVID19.png
That’s 2 years old.
What strain will this protect you from, maybe?
What is true today is what was true yesterday. You cannot make vaccines fast enough with diseases like the cold. They mutate to rapidly. They hoped they were going to change that. They failed.
I am sure it works as well as the other ones.
