Covid curve queried, false positives, and the Queen’s head
How fast are coronavirus cases doubling? Plus testing confusion and a royal face-off.
A scary government graph this week showed what would happen if coronavirus cases doubled every seven days. But is that what’s happening? There’s much confusion about how many Covid test results are false positives - we explain all. Plus, do coffee and pregnancy mix? And the Queen, Mao, and Gandhi go head to head: who is on the most stamps and coins?