Analysis of 14 million children finds COVID-19 infection poses greater heart complication risk than vaccination

A new study shows children and young people face long-lasting and higher risks of rare heart and inflammatory complications ...
BMJ

Physical activity and risk of infection, severity and mortality of COVID-19: a systematic review and non-linear dose–response meta-analysis of data from 1 853 610 adults

Objective To quantify the association between physical activity and risk of SARS-CoV-2 infection, COVID-19-associated hospitalisation, severe illness and death due to COVID-19 in adults. Design A ...
Nature

COVID-19 is spreading again — how serious is it and what are the symptoms?

Stratus and Nimbus have similar symptoms to previous variants including a fever, cough and runny nose, but the Nimbus variant has one distinct symptom: a ‘razor blade’ sore throat. These two variants ...