THE COVID 19 VIRUS & OTHER VIRUSES BLAMED FOR MASS STERILIZATION OF MEN GLOBALLY INSTEAD OF THE VACCINE BUT IT'S THE VACCINE CAUSING IT NOT THE VIRUS; SHANNA SWAN HYPOTHESIZES MEN WILL NO LONGER PRODUCE SPERM BY 2025. TAMPA, FLA. . SHANNA SWAN, AN ENVIRONMENTAL AND REPRODUCTIVE EPIDEMIOLOGIST AT ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI, FOUND SPERM COUNTS HAVE PLUMMETED OVER THE LAST FOUR DECADES. MAY 18, 2021