Schools have been reopening with new measures to keep students and teachers safe — some offering free, weekly corona tests. Experts warn against ‘false negatives’ in COVID-19. The World Health Organization has updated its guidance for mask-wearing, as millions of children return to school around the world. It says six to 11 year-olds should wear masks.
Will free, weekly corona tests keep students and teachers safe? | COVID-19 Special
![](https://worldnews.whatfinger.com/wp-content/uploads/2020/08/will-free-weekly-corona-tests-ke-740x416.jpg)