UK: 30% vaccine breakthrough rate reported by Covid App

According to ZOE COVID Study incidence figures, there are currently 51,961 new daily symptomatic cases of COVID in the UK on average, based on PCR and LFT test data from up to five days ago.  More...

CDC: 25% vaccine breakthrough in Los Angeles County up to July 2021

During May 1–July 25, 2021, among 43,127 SARS-CoV-2 infections in residents of Los Angeles County, California, 10,895 (25.3%) were in fully vaccinated persons, 1,431 (3.3%) were in partially vaccinated persons, and 30,801 (71.4%) were in unvaccinated persons.  More...

UK: Vaccine breakthrough rate for Delta infections still increasing

The latest UK PHE Technical Briefing has just been published, and it shows that the vaccine breakthrough rate for Delta infections in the UK continues to increase by about 6% per month.  More...