Yes, if you're being really strict about being "on topic" then it has drifted a bit but don't all discussions drift while revolving around the issue at hand?

As to the vaccine, yes, it has been "rushed" but needs must? Often, when researching something new, it takes a long time because only a small amount of resouces is given over to it.

In the case of covid-19, many companies have thrown a great deal of resources in to the research in an effort to find a "cure" which has shortened the time taken to produce something effective.

They have given to end product to a large number of people and now it's up to individuals to make their own mind up as to whether to accept a jab or not.