Stalled vaccine programmes ‘putting children’s lives at risk’ Covid-19 is disrupting immunisation campaigns and could cause many preventable deaths, experts warn. Source
Coronavirus: What is the k number and can superspreading be stopped? Identifying superspreading events could be crucial in the fight against the virus, scientists say. Source
Coronavirus: One in five with Covid could test negative The health select committee heard evidence suggesting 20% of negative results could be false. Source