Scientists are getting a better handle on the complexities of how immunity works. Attentive readers might have noticed my absence over the last couple of weeks. I’ve been trying to recover from a bout ...

Tesla Inc Chief Executive Officer Elon Musk questioned the accuracy of COVID-19 tests on Thursday after claiming that results showed he tested positive twice and then negative twice all on the same ...

LONDON, Nov 14 (Reuters) - Visitors to care homes in parts of England will be able to get tested for COVID-19 under a new pilot scheme aimed at reducing onerous restrictions in time for Christmas, the ...