Germ Theory vs Terrain Theory

Germ Theory vs Terrain Theory. Please support my channel ▶ Leave me a tip! ▶ Virus Mania in New Zealand: * NZers who would like to order the book locally for $65 (incl. shipping) please contact admin@ Virus Mania Paperback: * Abe (lots of suppliers): &cm_sp=snippet-_-srp1-_-PLP1 * US Independent Bookseller Powell’s Books: * Amazon: =sr_1_2?dchild=1&keywords=virus mania&qid=1612859505&sr=8-2 Virus Mania E-book: * Kindle: =sr_1_1?keywords=virus mania&qid=1617157466&sr=8-1 Virus Mania Audiobook: *Kobo: