We are used to vaccine efficacy graphs by now. Here's one scientists thought they'd never see - 75 per cent effective against malaria. Big news today - this was the Oxford scientists' day job, before covid intervened.

Malaria kills a lot more than covid.https://t.co/EiW3zF7sKa pic.twitter.com/bkyPjwU1FF

— Tom Whipple (@whippletom) April 23, 2021