Interesting perspective from a professor of microbiology at Columbia University..
Vincent R. Racaniello is a Higgins Professor in the Department of Microbiology and Immunology at Columbia University’s College of Physicians and Surgeons. He is a co-author of a textbook on virology, Principles of Virology. – Wikipedia
I’ve linked to a post from Vincent Racaniello before. You can find it here.
The need for a second dose of the vaccine is something I have never heard anyone speak about before.
The effectiveness of a single dose given beyond three or four weeks was never studied by the vaccine producers because there was no time. That part of the vaccine study was skipped.
Maybe a second dose is not necessary. Maybe it is but not for months after the first dose. We do not know anything about long term effectiveness of the vaccines or what side-effects we can expect.
We are all not part of the vaccine study process.
The problem is that nobody knows anything for sure. Everything is guess work.
Of course, then there is this: