The isolation period for fully vaccinated people in England who test positive for COVID will be reduced from seven days to five, the health secretary has announced....
As Europe starts vaccinating younger children, countries are pursuing very different strategies in what will be a major test of parents' willingness to get their kids inoculated....
The third dose of the Covid-19 vaccine reduces the risk of infection by two-thirds compared to two doses, according to a large UK study by REACT at Imperial College London....
