Coronavirus has infected more than 4.3 million people worldwide, with its global death toll closing in on 300,000.

Here are the latest headlines:

UK reports 100% accurate antibody test: Britain has approved a coronavirus antibody test developed by pharmaceutical company Roche and is now working towards acquiring enough kits for widespread testing.

Russia reports nearly 10,000 new cases of Covid-19: The country recorded 9,974 new cases of Covid-19 over the past 24 hours. Russia has the second-highest number of confirmed cases in the world after the US, according to data collected by Johns Hopkins University.

Hong Kong aims to test 860 people as new cluster grows: Officials will try to test the residents of two apartment buildings, after a couple and their granddaughter were diagnosed with Covid-19.

China expands testing over virus resurgence fears: Health officials said Thursday that they would step up coronavirus testing after two provinces in the northeast of the country reported new locally transmitted cases this week.