WhatsApp is a free messaging app that allows users to send text messages, make voice and video calls, and share images, documents, and other content. It’s one of the most popular messaging apps ...

The Delta variant of the virus causing Covid-19 has caused infections to spike in the UK once more, preventing the planned relaxation of lockdown in England. But is it really faring worse than ...

A leading Israeli doctor believes the country may be close to reaching "herd immunity". This happens when enough of a population has protection against an infection that it stops being able to ...