COVID-19 cases, hospitalizations surge, governors crack down Nearly half a million people have contracted COVID-19 in the United States over the last seven days, according to a Reuters tally, as new cases and hospitalizations set records in the Midwest. Lisa Shumaker, Maria Caspani U.S.

CHICAGO (Reuters) - Nearly half a million people have contracted COVID-19 in the United States over the last seven days, according to a Reuters tally, as new cases and hospitalizations set records in the Midwest.

COVID's cognitive costs? Some patients' brains may age 10 years People recovering from COVID-19 may suffer significant brain function impacts, with the worst cases of the infection linked to mental decline equivalent to the brain ageing by 10 years, researchers warned on Tuesday. Kate Kelland U.S.

LONDON (Reuters) - People recovering from COVID-19 may suffer significant brain function impacts, with the worst cases of the infection linked to mental decline equivalent to the brain ageing by 10 years, researchers warned on Tuesday.

Regional and global contributions of air pollution to risk of death from COVID-19 AbstractAims. The risk of mortality from the coronavirus disease that emerged in 2019 (COVID-19) is increased by comorbidity from cardiovascular and pulmonary OUP Academic

The risk of mortality from the coronavirus disease that emerged in 2019 (COVID-19) is increased by comorbidity from cardiovascular and pulmonary diseases. Air pollution also causes excess mortality from these conditions.

No news on Pfizer’s Covid-19 vaccine is good news — and bad news Pfizer and BioNTech are under a white-hot spotlight because their vaccine, by design, is likely to be the first to have any efficacy data. Matthew Herper STAT

Pfizer revealed Tuesday that researchers have not yet conducted an analysis of the efficacy of the vaccine it is developing against Covid-19.

The announcement is both good news and bad news. 

Europe swept by COVID wave amid anger at new curbs European governments prepared on Tuesday to introduce new restrictions to try to curb a growing surge of coronavirus infections and provide economic balm to help businesses survive the pandemic. Crispian Balmer U.S.

ROME (Reuters) - European governments prepared on Tuesday to introduce new restrictions to try to curb a growing surge of coronavirus infections and provide economic balm to help businesses survive the pandemic.

Coronavirus Maps: How Severe Is Your State's Outbreak? View NPR's maps and graphics to see where COVID-19 is hitting hardest in the U.S., which state outbreaks are growing and which are leveling off. NPR.org

More than 8 million people in the U.S. have had confirmed coronavirus infections and more than 225,000 have died of COVID-19. Tens of thousands of new cases are reported daily nationwide. In the graphics below, explore the trends in your state.