[MailleQuiMaille]

> Vaccines are now being used in some places - but monitoring the disease and avoiding mosquito bites are the most effective ways to prevent malaria.

You’d think vaccines are the end-all be-all and the only reason we ever eradicated any disease, but I’m curious now : what makes certain diseases eradicated with vaccines (like polio, supposedly) and others just…go away (like malaria or even scarlet fever for example?)