| | British Prime Minister Boris Johnson said that he was looking at what he could do to help India, where the coronavirus pandemic is entering a deadly new phase with which its health services are struggling to cope. | | | The European Commission said it expects to seal the world's biggest vaccine supply deal within days, securing up to 1.8 billion doses of Pfizer's (PFE.N) COVID-19 vaccine for the next few years as a debate rages over unfair access to shots for the world's poorest people. | | | Brazil's COVID-19 vaccination program is being put at risk by people failing to show up for their second shot, with 1.5 million people missing appointments for the follow-up dose needed to maximize protection, according to the Health Ministry. | | | U.S. lawmakers and nonprofit groups on Friday heaped pressure on the Biden administration to back a temporary patent waiver for COVID-19 vaccines to help poor countries contain the pandemic. | | | Chilean investigators testing the AstraZeneca-Oxford University COVID-19 vaccination in 2,200 people found no instances of blood clots among participants, they said on Friday. | | | By air, by train and by road, India is scrambling to move large quantities of medical oxygen to hospitals in its capital New Delhi and other areas hit hard by a record surge of COVID-19. | | | Pregnant women infected with COVID-19 and their newborn children face higher risks of complications than was previously known, a study by British scientists showed on Friday. | | | Advisers to the U.S. Centers for Disease Control and Prevention (CDC) on Friday are considering if it is safe to resume injections of Johnson & Johnson's (JNJ.N) COVID-19 vaccine, even as senior U.S. health officials prepare for a green light. | | | People across India scrambled for life-saving oxygen supplies on Friday and patients lay dying outside hospitals as the capital recorded the equivalent of one death from COVID-19 every five minutes. | | | The following is a roundup of some of the latest scientific studies on the novel coronavirus and efforts to find treatments and vaccines for COVID-19, the illness caused by the virus. | | | | |