question about this and vaccines in general... would this be beneficial to someone who already contracted the disease? at the early stages at least? would it help that person recover faster or lessen the effects of the disease?
https://www.webmd.com/vaccines/features/treating-disease-wit...
The article says none are currently available as treatments for any infectious disease.
It's highly dependent on the disease, how it spreads, etc. But it is a thing.