With evidence that infections are on the rise, we look at the so-called FLiRT variants, and assess the risks
Summer wave of Covid in England: how worried should I be?
![Summer wave of Covid in England: how worried should I be?](https://i.guim.co.uk/img/media/05330bf61204a7217b4ed2092bf191d487b57ba1/0_182_5472_3283/master/5472.jpg?width=140&quality=85&auto=format&fit=max&s=59ac0375bfcdd20e2c53b7dde3021d56)
With evidence that infections are on the rise, we look at the so-called FLiRT variants, and assess the risks