In a roundup of scientific studies on the novel coronavirus and efforts to find treatments and vaccines, a prostate cancer drug improved Covid-19 survival in a clinical trial and mildly ill young Covid-19 patients reported lasting symptoms in another study.

Confidence in Covid-19 vaccines is growing, with people’s willingness to have the shots increasing as they are rolled out across the world and concerns about possible side effects are fading, a 14-country survey showed on March 5.

Pfizer slashed in half the volume of Covid-19 vaccines the company will deliver to some EU countries this week, government officials said, as frustration over the U.S. drugmaker’s unexpected cut in supplies grows.

Pfizer will temporarily reduce deliveries to Europe of the company’s vaccine against Covid-19 while upgrading production capacity.

The European Commission approved Astellas Pharma’s oral once-daily therapy Xospata as a monotherapy for treating adults with relapsed or refractory acute myeloid leukemia with a FLT3 mutation.

Opioid use has reached crisis proportions not only in the United States but also in Canada and some European countries, as prescription opioid painkillers have become much more common, the OECD club of wealthy nations said.

Cancer patients’ survival prospects are improving – even for some of the deadliest types such as lung cancer – but there are huge disparities between countries, particularly for children, according to a published study.