Sometimes I wonder if dedication to hyperbole causes permanent brain damage

 

Quite a few people make the following point in response: 

Update:  oh look, gullible Adam is impressed too:

Yet, as calmer people are pointing out (my God, this comes from one of the new Catallaxy blogs):

And yeah, the link is to a Nature story from Feb 21 pointing out that:

As countries roll out vaccines that prevent COVID-19, studies are under way to determine whether shots can also stop people from getting infected and passing on the SARS-CoV-2 virus. Vaccines that prevent transmission could help to bring the pandemic under control if they are given to enough people.

Preliminary analyses suggest that at least some vaccines are likely to have a transmission-blocking effect. But confirming that effect — and how strong it will be — is tricky because a drop in infections in a given region might be explained by other factors, such as lockdowns and behaviour changes. Not only that, the virus can spread from asymptomatic carriers, which makes it hard to detect those infections.

As some comments note in the thread after Adam's tweet: