The US experienced a significant Covid-19 surge due to the new FLirT variants, which caused mostly mild symptoms. The FDA hinted at releasing updated strain-matched vaccines soon. The FLirT variants showed improved transmissibility and represented a substantial portion of recent infections. Despite the ongoing threat, vaccination and acquired immunity helped mitigate severe symptoms, especially for vulnerable groups. The US experienced a significant Covid-19 surge due to the new FLirT variants, which caused mostly mild symptoms. The FDA hinted at releasing updated strain-matched vaccines soon. The FLirT variants showed improved transmissibility and represented a substantial portion of recent infections. Despite the ongoing threat, vaccination and acquired immunity helped mitigate severe symptoms, especially for vulnerable groups. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle