Pharmaceutical company AstraZeneca says that late-stage trials showed its coronavirus vaccine was up to 90% effective, giving public health officials hope they may soon have access to a vaccine that is cheaper and easier to distribute than some of its rivals.
Chinese technicians were making final preparations for a mission to bring back material from the moon’s surface for the first time in more than four decades — an undertaking that could boost human understanding of the moon and of the solar system more generally.
The Group of 20 summit opened on Saturday with appeals by the world’s most powerful leaders to collectively chart a way forward as the coronavirus pandemic overshadows this year’s gathering, transforming it from in-person meetings to a virtual gathering of speeches and declarations.
An email obtained by The Associated Press shows that the World Health Organization has recorded 65 cases of the coronavirus among staff based at its headquarters, including at least one cluster of infections
More than a billion Indians have celebrated Diwali amid twin concerns of a resurgence in coronavirus infections and rising air pollution that is enveloping the country’s north in a cloud of thick toxic smog