Chile on Thursday became the latest country to limit use of the AstraZeneca coronavirus vaccine, linked to rare blood clots, when a 31-year-old man developed thrombosis after being immunized.

UN optimistic on conquering AIDS by 2030
Forty years on since the first AIDS cases were reported, the United Nations said Thursday it was cautiously optimistic that the human immunodeficiency virus (HIV)—the virus that causes the disease—could be beaten by 2030.

WHO: Vaccinating kids ‘not a high priority’ amid shortage
The World Health Organization’s top vaccines expert said Thursday that immunizing children against COVID-19 is not a high priority from a WHO perspective, given the extremely limited global supply of doses.

FDA warns doctors to stop using heart pump tied to deaths
U.S. health regulators warned surgeons Thursday to stop implanting a heart pump made by Medtronic due to power failures recently tied to cases of stroke and more than a dozen deaths.

Alarm in Africa: Virus surges, vaccines grind to ‘near halt’
COVID-19 vaccine shipments have ground to “a near halt” in Africa while virus cases have spiked 20% over the last two weeks, the World Health Organization said Thursday, a bleak scenario for the continent on both those critical fronts.

‘Next big wave’: Radiation drugs track and kill cancer cells
Doctors are reporting improved survival in men with advanced prostate cancer from an experimental drug that delivers radiation directly to tumor cells.

Study shows obesity may increase risk of long-term complications of COVID-19
A Cleveland Clinic study shows that survivors of COVID-19 who have moderate or severe obesity may have a greater risk of experiencing long-term consequences of the disease, compared with patients who do not have obesity. The study was recently published online in the journal of Diabetes, Obesity and Metabolism.

Big data helps assess seizure burden, improve outcomes in pediatric epilepsy patients
Researchers at Children’s Hospital of Philadelphia (CHOP) have demonstrated how to use standardized reporting of clinical data for seizures caused by a variety of neurological disorders, providing fundamental baseline information that can determine what methods work best for keeping seizures under control. The findings were published today in the journal Epilepsia.

The big test of America’s great reopening is coming up
The big test of America’s great reopening will come in a fortnight.

Denmark passes law to move asylum centers outside the EU. It still needs another country to agree
Denmark has passed a law allowing it to relocate asylum seekers to third countries while their asylum claims are processed, in a move that has drawn sharp condemnation from human rights groups.