[QUOTE=Aussie Bob;11080126]If I went to South America and toured the jungles I would in all likelihood take the yellow fever vaccine. As I nosied up the Amazon I wouldn't give two figs if the bloke sitting next to me had had the vaccine.
...and you'd be quite right, Aussie Bob. As one of many online medical experts, I'm sure you'll already know that unlike Covid-19, there's no direct human to human transmission of Yellow Fever....