UK health officials warn of allergic reaction to COVID-19 vaccine
https://healthell.blogspot.com/2020/12/uk-health-officials-warn-of-allergic.html
UK health officials warn of allergic reaction to COVID-19 vaccine

U.K. regulators said people who have a ‘significant history’ of allergic reactions shouldn’t receive the new Pfizer vaccine while they investigate two adverse reactions that occurred on the first day of the country’s mass vaccination program.