There have very recently been numerous reports published that seem to indicate that BCG VACCINATION[ seems to provide some immunity to COVID19. Here is one
CAUTIONSFirst, the articles refer to vaccination with BCG which is not the same as the installation into the bladder that many of us have had.
Second, these are all epidemiological studies that provide no cause/effect information and are notorious for not proving their point.
Whatever, it IS interesting!
Diagnosis 2-08 Small papillary TCC; CIS
BCG; BCG maintenance
Vice-President, American Bladder Cancer Society