|                       |        |        Clover Biopharmaceuticals became the sixth Chinese developer of a potential COVID-19 vaccine to move into human trials on Friday, launching a study in Australia that will test its vaccine with boosters.      |              |                     |        |        European governments are working with the United States on plans to overhaul the World Health Organization, a top health official for a European country said, signaling that Europe shares some of the concerns that led Washington to say it would quit.      |              |                     |        |        China's customs authority has asked food exporters to the country to sign a declaration their produce is not contaminated by the novel coronavirus, three people who received a letter said on Friday.      |              |                     |        |        Here's what you need to know about the coronavirus right now:      |              |                     |        |        After nearly 15 hours of labor, Karla Lopez Rangel received a stern warning from her midwife: if you do not deliver the baby now, we will have to rush you to the hospital.      |              |                     |        |        The United Kingdom's chief medical officers have agreed that the COVID-19 threat level should be lowered one notch to "epidemic is in general circulation" from "transmission is high or rising exponentially".      |              |                     |        |        Germany's smartphone app to help trace coronavirus infections has been downloaded 9.6 million times, a government spokeswoman said on Friday.      |              |                     |        |        Several U.S. hospitals in states with fresh surges of COVID-19 cases have started treating their sickest patients with dexamethasone rather than await confirmation of preliminary results of a study by British researchers, who said the inexpensive steroid saves lives.      |              |                     |        |        China has released genome sequencing data for the coronavirus responsible for a recent outbreak in Beijing, with officials saying on Friday it identified a European strain based on preliminary studies.      |              |                     |        |        Scientists in Italy have found traces of the new coronavirus in wastewater collected from Milan and Turin in December 2019 - suggesting COVID-19 was already circulating in Northern Italy before China reported the first cases.      |              |                     |        |        The first trial results of a coronavirus vaccine being developed by CureVac are expected in two months, German news agency dpa reported on Friday.      |              |          |            |         |