The "Best Employers" in health care, according to Forbes; how natural immunity protects against different coronavirus variants; and more.

Why some people seem able to avoid Covid-19 infection (Monday, Feb. 14)

Despite exposure to the coronavirus, some individuals never get infected—and a growing body of research on this "never Covid" cohort seeks to understand the potential factors that make these people less susceptible to infection than others.

How natural immunity protects against different Covid-19 variants, charted (Tuesday, Feb. 15)

A study published last week in the New England Journal of Medicine suggests that the amount of protection an individual's natural immunity offers against reinfection depends on which variant the individual is exposed to. See how well previous infection protects against each variant on our interactive charts.

The pandemic's impact on health care workers, charted (Thursday, Feb. 17)

Almost half of health care workers reported that their mental health has gotten worse over the course of the pandemic, according to a new poll from Axios and Morning Consult—a problem that may worsen the current exodus of workers from the health care industry. See how the pandemic—and the particular impact of caring for Covid-19 patients—has taken a toll on health care workers.

Cleveland Clinic's 'Top 10 Medical Innovations for 2022' (Friday, Feb. 18)

Cleveland Clinic last week released its annual list of the top 10 medical innovations the health system predicts will "transform health care" in 2022.