The Sun.She said: "We look at the different variants regularly, we have variants of interest and variants of concern, those are being monitored."You'll be aware that the UK has probably the best genomics functionality in the world."Different studies will come out with slightly different periods… we manage the length of time for quarantine to minimise the inconvenience to individuals but still reduce the risk of onward infection.Want all the latest shocking news and views from all over the world straight into your inbox?We've got the best royal scoops, crime dramas and breaking stories - all delivered in that Daily Star style you love.Our great newsletters will give you all you need to know, from hard news to that bit of glamour you need.