Covid - Ba.5 Causes More Severe Disease - Dr John Campbell Video

6th July 2022

UK infections continue upwards.

Generally, infections tend to milder the second or third time round

Danny Altmann, professor of immunology, Imperial College London

Omicron is poorly immunogenic, which means that catching it offers little extra protection against catching it again.

Prof Tim Spector

There are definitely a lot of people who got Covid at the start of the year who are getting it again,

including some with BA.4/5 who had BA.1/2 just four months ago

rare to be reinfected with within three months

BA.2.12.1, BA.4 and BA.5 escape antibodies elicited by Omicron infection