According to European health officials, around 2,500 COVID-19 infections have been related to participation in the European Championship soccer tournament.

The European Centers for Disease Prevention and Control’s weekly disease threat report showed that as of July 1, seven countries had reported a total of 2,472 infections associated with the matches. The majority of the cases were found in Denmark, Finland, France, Sweden, and Scotland.

The countries with the most cases were Finland and Scotland.

In Scotland, of those people gathering to watch football or soccer, nearly 2,000 tested positive for COVID-19 in June. People who traveled outside of the country to watch games make up a large portion of the cases.

Besides, the Finnish Institute for Health and Welfare also reported that fans returning from the EURO 2020 tournament in St. Petersburg are accountable for almost 40% of the country’s new COVID-19 infections between June 21 and 27. Out of 4,500 Finnish fans who flew to St. Petersburg, 386 tested positive, with another 50 cases directly related.

COVID-19 cases have lately increased in Russia, Azerbaijan, Denmark, and the United Kingdom, among the tournament’s host countries. The delta variety accounts for the majority of new cases in the United Kingdom.

“In the countries where mass gathering events such as UEFA EURO 2020 take place, in the absence of sufficient mitigation measures the risk of local and pan-European transmission risk of COVID-19, including the spread of variants of concern, is expected to increase,” the agency said.

Attendance at each of the tournament’s three final games in London this week is limited to 60,000 fans, British officials said.