One example: https://www.independent.co.uk/news/health/coronavirus-news-face-masks-increase-risk-infection-doctor-jenny-harries-a9396811.html
Opinions are still very split on the real world efficacy. Hence why some countries (e.g Norway) aren’t recommending them.
The issues arise from the fact that while yes the mask reduces chance of airborne droplets it massively increases the chance of you touching your face often / putting a dirty mark on surfaces etc. |