The video will auto-play soon8Cancel Play now Want Stoke-on-Trent news emailed to you direct from our journalists? Sign up to our newsletterInvalid EmailSomething went wrong, please try again later. Subscribe When you subscribe we will use the information you provide to send you these newsletters. Sometimes theyâll include recommendations for other related newsletters or services we offer. OurPrivacy Noticeexplains more about how we use your data, and your rights. You can unsubscribe at any time. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice If thereâs one coronavirus mutation that keeps scientists awake at night, itâs E484K. The mutation was found in both the South African variant (B1351) and the Brazilian variant (P1), but not in the UK variant (B117). This so-called âescape mutationâ raised fears that the approved COVID vaccines may not be as effective against these variants. The E484K mutation hasnow been found in the UKvariant as well â albeit in just 11 cases.