https://www.ladbible.com/news/uk-covid-human-challenge-participants-to-be-paid-4500-to-be-infected-20210217
https://news.sky.com/story/covid-19-volunteers-to-be-exposed-to-virus-in-world-first-study-in-uk-12220802
https://www.belfastlive.co.uk/news/health/northern-ireland-coronavirus-vaccine-programme-19859678
https://www.rte.ie/news/2021/0217/1197752-northern-ireland-covid/
https://www.manchestereveningnews.co.uk/news/greater-manchester-news/further-50-people-died-greater-19859091
https://www.dailymail.co.uk/sciencetech/article-9270959/One-five-mutation-provides-superior-resilience-chilly-temperatures.html
https://www.telegraph.co.uk/news/2021/02/17/oxford-vaccine-astrazeneca-covid-19-vs-pfizer-safe-uk-who/
https://metro.co.uk/2021/02/17/covid-can-cause-gangrene-as-it-makes-the-body-attack-itself-14100937/
https://www.manchestereveningnews.co.uk/news/greater-manchester-news/more-50-covid-cases-found-19860870