theobromus t1_isxywl6 wrote
Reply to comment by ConnieHormoneMonster in What is the greatest difficulty in creating a vaccine against leptospirosis for humans, being that there is already a vaccine for animals? by Artreides
Well, for flu we do that - the flu shot you get will target 4 different variants. And the newer covid "bivalent" boosters target 2 covid strains.
Viewing a single comment thread. View all comments