(Reuters) – Europe became the second region after Latin America to surpass 250,000 deaths on Saturday, according to a Reuters tally, with record numbers of daily COVID-19 infections reported in the past two weeks.

Europe’s reported coronavirus cases more than doubled in 10 days, crossing 200,000 daily infections for the first time according to a Reuters tally, with many Southern European countries reporting their highest single-day cases.

Political polarization and online misinformation are threatening vaccination programs worldwide, with public trust volatile and varying widely between countries, according to a global vaccine confidence study.

Omeros Corp.’s experimental treatment helped six patients with acute respiratory distress syndrome caused by Covid-19 recover and get discharged from the hospital, sending the drug developer’s shares up 60%.

U.S. deaths from the novel coronavirus surpassed 150,000, a number higher than in any other country and nearly a quarter of the world’s total, according to a Reuters tally.

As AstraZeneca closes in on developing a vaccine against COVID-19, the U.K. pharma giant struck a deal with Europe’s Inclusive Vaccines Alliance to supply up to 400 million doses of the preventative medication by the end of 2020.

Cancer patients with COVID-19 who were treated with a drug combination promoted by U.S. President Donald Trump to counter the coronavirus were three times more likely to die within 30 days than those who got either drug alone, U.S. researchers reported.

France, Italy and Belgium acted to halt the use of hydroxychloroquine to treat patients suffering from COVID-19 amid questions about the safety of the generic anti-malaria drug.

Italy picked U.S. healthcare company Abbott Laboratories to supply 150,000 blood testing kits to screen for the new coronavirus as the country prepares to slowly lift a lockdown imposed in March.

The number of new cases of COVID-19 is easing in some parts of Europe, including Italy and Spain, but outbreaks are still growing in Britain and Turkey, the World Health Organization (WHO) said.