To avoid getting sick, follow these tips: Firstly, eat a balanced diet including lean proteins and consider foods that are natural antioxidants, such as berries and dark chocolate. Exercise regularly and stay hydrated. Get 7-9 hours of sleep each night. Wash your hands often with soap and water, and also keep your home clean by disinfecting surfaces regularly. Avoid close contact with sick people. Manage stress through activities like meditation and deep breathing. Boost your immune system by taking vitamins such as C, D3, and Zinc . Also, avoid smoking and limit alcohol intake. Finally, get plenty of fresh air and sunlight, listen to your body and rest if you feel unwell.
For more info check out Top 10 ways to boost your immune system for better health.