Maybe this 1975 paper is of interest...?
Szmigielski S, Luczak M, Wiranowska M, "Effect of
microwaves on cell function and virus replication in
cell cultures irradiated in vitro", Ann
N Y Acad Sci 1975; 247: 263-274 [enclosed as a
pdf]
N.B.
I am not saying that microwaves have anything to
do with coronavirus or COVID-19, and I am not
saying that the levels used in 1975 are
necessarily relevant to today's discussion, but...
Olle Johansson,
associate professor