The NHS has launched its 2025 Spring Booster campaign offering free COVID-19 vaccinations to 7.5 million eligible people, including adults over 75 and those with weakened immune systems. Appointments start on April 1 and run until mid-June, emphasizing the need for protection as previous immunity can wane. The NHS has launched its 2025 Spring Booster campaign offering free COVID-19 vaccinations to 7.5 million eligible people, including adults over 75 and those with weakened immune systems. Appointments start on April 1 and run until mid-June, emphasizing the need for protection as previous immunity can wane. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle