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Breakthrough Infections Dramatically Enhance COVID Immunity

I do not wish a breakthrough infection on anyone. If one does get a breakthrough, though, the silver lining is that the immunity after such infection is very, very robust.

The Human Immunodeficiency Virus (HIV), CD4+ T lymphoctyes and AIDS

Human immunodeficiency virus (HIV) infection results from 1 of 2 similar retroviruses (HIV-1 and HIV-2) that destroy CD4+ T lymphocytes and impair cell-mediated immunity, increasing risk of certain infections and cancers.

New Study Suggests Long-Lasting Immunity After COVID

There has always been uncertainty over how long immunity from SARS CoV-2 infection lasts. Is it three months? Six months? A year? Lifelong? Studies...

Some Fully Vaccinated People Are Getting COVID

A friend of mine in Florida got vaccinated three months ago. He has been battling COVID-19 for more than a week now. He describes...