@Dragonblaze there’s very little evidence of herd immunity. History shows you can’t eradicate the disease, it just mutates.

— Ste Samosa (@SamosaSte) August 20, 2015

Well that certainly explains the polio epidemic sweeping the nation today… https://t.co/jCSCavJng5

— Kragar (@Kragar_LGF) August 20, 2015