Bird flu, Covid-19, and influenza are all respiratory infections spreading through respiratory droplets. While influenza generally causes milder symptoms, Covid-19 and bird flu can lead to more severe illnesses. Health experts recommend vaccinations, regular exercise, a balanced diet, and good hygiene practices as precautionary measures. Bird flu, Covid-19, and influenza are all respiratory infections spreading through respiratory droplets. While influenza generally causes milder symptoms, Covid-19 and bird flu can lead to more severe illnesses. Health experts recommend vaccinations, regular exercise, a balanced diet, and good hygiene practices as precautionary measures. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle