> There are serious diseases like measles and smallpox that have circulated for thousands of years while remaining as deadly as they ever were Right and our va

> There are serious diseases like measles and smallpox that have circulated for thousands of years while remaining as deadly as they ever were Right and our vaccines have maintained efficacy against these things. > It's also not a guarantee that the virus will evolve into something weaker No but it is almost certainly the case if the past is anything to go on