Paraguay on Monday reported a record 78 COVID-19 deaths in 24 hours, a number health authorities fear will grow further in the country of 7.1 million […]
All schools in Canada’s most populous province will be shut down and move to online learning because of a record number of coronavirus infections fueled by […]
Immune checkpoint inhibitors, which boost the immune system’s response against tumor cells, have transformed treatment for many advanced cancers, but short-term clinical trials and small observational […]