UK: The Alpha variant rears its ugly head again

A big surprise in the latest UK sequencing figures show that the Alpha variant has made something of a comeback this week.  More...

Symptomatic Delta Covid infection rate far higher in fully vaccinated healthcare workers

“..our data suggest that vaccine effectiveness against any symptomatic disease is considerably lower against the delta variant and may wane over time since vaccination.”  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...