"Wearing a mask may create a hard-to-ventilate space leading to blood carbon dioxide accumulation and decreased oxygen levels."
This year, with the COVID-19 crisis still raging in most of the world, understanding immunity - what it means, how it works and when - is more relevant than ever.
As serious cases of COVID in Israel continue to decline in number, Hadassah-University Medical Center close their last remaining COVID ward.
Prof. Jacob Peer, head of the Onco-Ophthalmology department at Hadassah, won the Joanne G. Angle award.
2020 was a year of learning new processes, studying new treatments and training new staff to serve in a time of crisis.
With reports of declining cases, only a few patients need to be hospitalized every day. These days, corona wards in hospitals across the country are almost no longer accepting new patients.
A decrease in morbidity among healthcare workers was already observed within two weeks after receiving their first shot.
An oral vaccine could potentially allow for people to self vaccinate at home.
The hospital warned that, unless funds are arranged immediately, the hospital will need to work in an emergency mode, impacting the level of care it can provide the public.
The prime minister's wife is undergoing a series of tests and will remain hospitalized for a few days.