The Conversationさんのイラストまとめ

@annec_moore @ZaniaStamataki "By vaccinating the young we can protect the elderly by proxy. That is the concept of herd immunity.

"… That's why vaccination is so important for herd immunity.

Is the global south fairing well during the pandemic?

Infectious disease modellers have known for decades that spread of flu viruses is predicted by patterns of air travel.

Spread of Coronavirus has followed suit.

Note the paucity of flights to Africa: https://t.co/5I8JbUSPxL

Mass extinctions lead to all sorts of weird and wonderful moments in evolutionary history http://t.co/1ykmsZ3MJm