Hello. Here is some helpful information whilst you wait for your SH:24 test kit: Infections may not show up in tests immediately after exposure, so it's important you test at the right time. We recommend doing the blood test 7 weeks after your potential exposure - you can watch a 2 minute video to help you take a blood sample here: youtube.com/watch?v=vZ95tnbcexs. Check the best time to take your test here: sh24.org.uk/sexual-health/stis/sti-testing. We apologise in advance for any delivery delays caused by the impact of Covid-19 on the Royal Mail. Thank you for your understanding at this time, SH:24