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
UK infections continue upwards:
Reinfections now common: