ROME — Italy on Sunday registered 484 confirmed COVID-19 deaths, one of its lowest daily death tolls in about a month. But those latest deaths were enough to eclipse Britain’s toll as having Europe’s highest toll in the pandemic, according to tracking done by Johns Hopkins University.

Counting criteria differ in the two countries, and many deaths, especially early in the pandemic in Italy, are believed to have gone undetected.

According to the Italian Health Ministry on Sunday, Italy’s known death toll stood at 64,520. Britain’s toll, according to Johns Hopkins data, stood at 64,267 as of Sunday evening.

Italy added nearly 18,000 coronavirus infections from the previous day, raising the nation’s official tally over 1.84 million. By far, the region registering the highest number of new infections in the last 24 hours was the northern region of Veneto, which in the first surge last spring had fared better than its neighbor Lombardy.