CDC advisers recommend Johnson & Johnson single-dose vaccine, paving the way for inoculations to start this week

The doses are expected to start shipping as early as Monday to sites already receiving doses of the two other authorized vaccines made by Pfizer-BioNTech and Moderna. Health

Cancer patients often can’t get full care with covid-19 bogging down medical facilities

New vaccines promise relief. But any further surges in America’s hospitals and clinics will hamstring their ability to care for the sickest in oncology departments. Health

Bendable concrete, other CO2-infused cement mixes could dramatically cut global emissions

The product created at the University of Michigan allows for thinner structures with less need for steel reinforcement. Health

Big Number: Even occasional smokers are 27 percent more likely than nonsmokers to suffer a certain type of stroke

Researchers examined the effects of a stroke called a subarachnoid hemorrhage, which occurs when a weakened blood vessel ruptures and bleeds. Health

FDA authorizes Johnson & Johnson’s single-shot coronavirus vaccine, adding to the nation’s arsenal against the pandemic

Only a few million doses will be shipped in the days immediately after authorization, though production will ramp up in coming weeks, with 20 million doses to be delivered by the end of March and 100 million in the first half of the year. Health