Rise in new Covid FLiRT variant around the world sparks fears of summer surge in cases
![Rise in new Covid FLiRT variant around the world sparks fears of summer surge in cases](https://i2-prod.mirror.co.uk/incoming/article32868837.ece/ALTERNATES/s615/0_UK-Hospitals-Under-Pressure-From-Covid-19-Pandemic.jpg)
The coronavirus continues to mutate from its earlier strains with a rise in variants dubbed FLiRT by scientists in the US and Europe, as experts monitor vaccine effectiveness on the new strains