In final speech, outgoing UK premier compares himself to Rome's Cincinnatus, who famously gave up power to farm, but ancient tale's unhappy ending leaves some asking what's next

Arava Institute for Environmental Studies, Damour for Community Development take quiet cooperation with Oxford University Martin School up a notch to further regional climate work

Oxford University report finds 'good news,' says examples of reinfection relatively rare and few cases found did not exhibit symptoms

Death marks first known fatality in worldwide vaccine trials, independent review concludes no safety concerns and testing can continue

While not explicitly attributing recent excess fatalities to COVID-19, Health Ministry says most of increase due to deaths among people above 65; record 551 in serious condition

AstraZeneca and Oxford University say they got they all clear to continue inoculations after trials were briefly halted because volunteer became sick

Shot developed by NIH and Moderna to be tried on 30,000 people in coming months, with Israel among countries rooting for its success

Researcher says those given booster developed dual reactions: 'There's increasing evidence that having a T-cell response as well as antibodies could be very important'

Jan Joosten receives a year in France, ordered put on country's sex offender list for downloading tens of thousands of images and video, some depicting rape of minors

US company says 'antibody cocktail' being tested on humans has ability to both prevent and treat infection