USA: vaccine breakthough cases in Washington State by coronavirus variant to 30th June 2021

Washington State has recently published an update on the number of vaccine breakthrough cases....More...

Vietnam: recombinant/hybrid coronavirus announced – B.1.617.2 Delta variant with Y144 mutation from B.1.1.7 Alpha variant

Vietnam has detected a coronavirus hybrid variant with characteristics from the existing B16172 Delta variant and B117 Alpha variant, the Ministry of Health announced Saturday....More...

Hong Kong: coronavirus transmission linked to quarantine hotel door hooks used for meal deliveries

Hong Kong’s first community infection of a mutant Covid-19 strain involved the South African variant, officials revealed on Tuesday, with transmission likely to have taken place at a quarantine hotel via door hooks used by staff to deliver meal boxes to guests....More...

UK: coronavirus vaccine breakthrough cases reported with B.1.351 and B.1.1.7 variants

People in the UK have been infected with Covid-19 more than once thanks to catching different variants of the coronavirus....More...

Evidence for increased vaccine breakthrough rates of coronavirus variants of concern in BNT162b2 Pfizer-BionTech mRNA vaccinated individuals

Here, we performed a case-control study that examined whether BNT162b2 (Pfizer-BionTech) vaccinees with documented SARS-CoV-2 infection were more likely to become infected with B.1.1.7 or B.1.351 compared with unvaccinated individuals....More...