An unsealed Foreign Intelligence Surveillance Court filing revealed the Federal Bureau of Investigation (FBI) improperly surveilled American citizens over 278,000 times throughout 2021.
However, a recent U.K. community-based population study found that those who have previously been infected with SARS-CoV-2, which causes COVID-19, demonstrate a lower rate of new Omicron BA.4/BA.5 infections compared to those who were vaccinated.