The U.S. faces a potential ‘Quad-emic’ with rising cases of flu, COVID, RSV, and norovirus. Older adults, especially those over 65, are highly susceptible to severe outcomes. Key preventive measures include vaccination, masks, hand washing, social distancing, and caution around sick family members. The U.S. faces a potential ‘Quad-emic’ with rising cases of flu, COVID, RSV, and norovirus. Older adults, especially those over 65, are highly susceptible to severe outcomes. Key preventive measures include vaccination, masks, hand washing, social distancing, and caution around sick family members. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle