Dr Philippa Whitford @Dr_PhilippaW
Although Day 2 PCR test for travellers is better diagnostic tool than lateral flow test; COVID has 5+day incubation period, so could give false reassurance. That's why @scotgov & @WelshGovernment calling for Day 8 PCR to release from isolation. Full video https://t.co/GlgsrHX6uN https://t.co/pxhrp9BPIR — PolitiTweet.org