Counting Covid-19 enters new era as countries look to prevent lockdowns

Scientists say improved vaccination campaigns may help them focus on hospitalisations.

After more than a year of obsessively tracking Covid-19 case numbers, epidemiologists are starting to shift focus to other measures as the next stage of the pandemic emerges.

With rich countries vaccinating growing proportions of their vulnerable populations, the link between infection numbers and deaths appears to be diminishing. Now, the focus is on learning to live with the virus--and on the data that matter most to avoid fresh lockdowns.

“It’s possible we’ll get to a stage of only monitoring hospitalizations,” said Jennifer Nuzzo, an epidemiologist at Johns Hopkins University’s Coronavirus Resource Center, which has built one of the most