| | Novartis aims to help manufacture more than 50 million doses of BioNTech's (22UAy.DE) COVID-19 vaccine in 2021 at its Stein, Switzerland fill-and-finish facility, the Swiss drugmaker said, after the European Union's drug regulator approved the bottling plant. | | | Chile is studying the possibility of issuing a third, booster dose of COVID-19 vaccines, its president said on Tuesday, as the country seeks to beat back the latest wave of infections amid questions about how effective the widely used Sinovac (SVA.O) vaccine is against more transmissible virus variants. | | | AstraZeneca Plc's (AZN.L) COVID-19 vaccine is effective against Delta and Kappa variants, which were first identified in India, the company said on Tuesday, citing a study. | | | The Delta variant of the novel coronavirus that was first found in India is the greatest threat to the United States' effort to eradicate COVID-19 in its borders, said U.S. infectious disease expert Dr. Anthony Fauci during a Tuesday press call. | | | A Swedish information technology firm said on Tuesday a database containing patient data, including COVID-19 test results, had been breached but it was unclear if any contents had leaked. | | | Poland is introducing a mandatory seven-day quarantine for all travellers from Britain in a bid to curb the spread of the Delta variant of the coronavirus, the health ministry said on Tuesday. | | | Brazilian federal prosecutors have opened an investigation into a contract worth 1.6 billion reais ($320 million) for 20 million doses of a COVID-19 vaccine made by India's Bharat Biotech, according to a document seen by Reuters on Tuesday. | | | Iran's President-elect Ebrahim Raisi vowed on Tuesday his government would start rapid COVID-19 vaccinations to help relaunch an economy at the epicentre of the pandemic in the Middle East. | | | Zimbabwe expects to receive 2.5 million COVID-19 vaccines from China by the end of this month as it seeks to boost its vaccination drive after several centres ran out of doses, which caused panic, the information minister said on Tuesday. | | | Italy reported 31 coronavirus-related deaths on Tuesday against 21 the day before, the health ministry said, while the daily tally of new infections rose to 835 from 495. | | | | |