They do, it’s just GP is saying that’s not the most likely thing to have caused the reduction in infection rates. There different strains, but apparently the v

They do, it’s just GP is saying that’s not the most likely thing to have caused the reduction in infection rates. There different strains, but apparently the virulence is pretty similar [0]. [0] https://coronavirusexplained.ukri.org/en/article/cad0013/ https://coronavirusexplained.ukri.org/en/article/cad0013/