The UK regulator has urged people with a history of 'significant' allergic reactions not to currently receive the Pfizer/BioNTech Covid-19 vaccine after two people who had the jab on Tuesday had allergic reactions. • Subscribe to ITV News on YouTube: http://bit.ly/2lOHmNj • Get breaking news and more stories at http://www.itv.com/news Follow ITV News on Facebook: / itvnews Follow ITV News on Twitter: / itvnews Follow ITV News on Instagram: / itvnews