Or it's a different strain that mutated, in which case, a vaccine won't help either so we shouldn't wait for one to come into existence.

It seems like they're saying that your own immune system is susceptible to viruses of (presumably) the same strain after only a short amount of time.

But isn't that how vaccines work though?

... Is the media going full on anti-vax to own drumpf?

Some people get the chicken pox twice even though it's not common at all