Tracking coronavirus cases and vaccinations in the U.S.

U.S. coronavirus cases: Tracking deaths, confirmed cases by state The death toll from covid-19 began to rise steadily in early March, then more sharply as the disease spread to every state and most U.S. territories. Joe Fox, Brittany Mayes, Kevin Schaul, Leslie Shapiro, Bonnie Berkowitz, Youjin Shin, Chris Alcantara Washington Post

The disease caused by the novel coronavirus has killed at least 445,000 people in the United States since February 2020 and has enveloped nearly every part of the country.

The seven-day average death toll routinely topped 3,000 in January, higher than the previous peak in April, despite improvements in treatment that make survival more likely. Six times in January, covid-19 killed more than 4,000 people in one day.

But the number of hospitalizations and new cases began to fall in January, and the pace of vaccinations accelerated to more than a million shots a day just as new, more transmissible variants of the virus began to appear in parts of the country.

[Tracking vaccine distribution in every state]

Seven-day averages show trends better than single-day values, because states’ reporting of new cases and deaths tends to drop on weekends.

Numbers have fluctuated as testing and reporting criteria have evolved, particularly in areas that were hit early. Three spikes in the deaths chart above reflect large, one-time adjustments: In mid-April, New York City added more than 3,700 deaths. On June 25, New Jersey added more than 1,800. And in September, The Post changed its methodology for reporting deaths in New York and added a one-day increase of more than 2,700 on the 18th. Other single-day spikes have occurred as states update their reporting procedures and are noted below those charts.

Health officials, including the country’s top infectious-disease expert, Anthony S. Fauci, have said the virus has killed more people than official death tolls indicate. ...