Covid-19: Stronger warnings are needed to curb socialising after vaccination, say doctors.

Experts have called for stronger health warnings for people being vaccinated against covid-19 after observing a rise in infections shortly after vaccination, suggesting that many people are letting their guard down before the vaccine has taken effect. Earlier this month a study led by Public Health England of vaccination in the over 70s found a “notable” rise in covid-19 infections in people immediately after they received the AstraZeneca vaccine.1 Similarly, a study of Israel’s vaccination programme, reported in February, found a similar spike in cases among people who had just been jabbed.2 It found that daily incidence approximately doubled after vaccination until about day 8. A survey by the UK’s Office for National Statistics, looking at coronavirus and vaccine attitudes and behaviours in England in February,3 shows why these spikes may be happening. Among over …