“ it is widely believed that the virus was leaked to the public in a laboratory accident (may have been kept frozen in some laboratory beforehand).[4][5][10][11][12][13][17][19”
And on top of that, the original SARS leaked from Chinese, Taiwanese, and Singapore labs a minimum of 4 times.
So parent’s cited statement is false and does not apply.
prima facie false.
https://en.m.wikipedia.org/wiki/1977_Russian_flu#Virology
“ it is widely believed that the virus was leaked to the public in a laboratory accident (may have been kept frozen in some laboratory beforehand).[4][5][10][11][12][13][17][19”
And on top of that, the original SARS leaked from Chinese, Taiwanese, and Singapore labs a minimum of 4 times.
So parent’s cited statement is false and does not apply.