Add Yahoo as a preferred source to see more of our stories on Google. The Pfizer Covid vaccine increased the risk of heart problems for children sixfold in the first week of having the jab but led to ...

Feb 2 (Reuters) - Sanofi has breached the UK pharma code of practice with unsubstantiated claims that its Beyfortus was more ...

This week in JAMA Network Open, a team led by researchers from respiratory syncytial virus (RSV) vaccine-maker Pfizer ...

The Pfizer Covid vaccine increased the risk of heart problems for children sixfold in the first week of having the jab but led to fewer cases in the long term, research suggests. British experts who ...