First samples of the Lambda variant were detected in Peru in August 2020 In mid-June 2021, 90.6% of new COVID-19 cases in
Arequipa and 78.1% of new cases in
Cusco were the Lambda variant, according to the Peruvian Ministry of Health. By this time the Lambda variant had also spread throughout
South America and was detected in twenty-nine countries in total, especially in
Argentina,
Chile and
Ecuador. The WHO designated the Lambda variant as a "variant of interest" on 14 June 2021. On 19 July 2021,
Texas reported its first case of the Lambda variant. On 22 July 2021,
Florida reported 126 cumulative confirmed cases of the Lambda variant. On 28 July 2021,
University of Miami researchers announced random sampling showed 3 percent of COVID-19 patients in Jackson Memorial Health System and at University of Miami's UHealth Tower were infected with it. On 5 August 2021, Louisiana reported its first case of the Lambda variant. On 7 August 2021,
Japan confirmed its first case of the Lambda variant, with the infected person arriving in Japan from Peru on 20 July. On 15 August 2021, the
Philippines confirmed its first case of the Lambda variant. == Statistics ==