the only way u can save yourself and family by boosting your immunity
for that eat fresh vegies and fruits, don't drink or eat anything cold, always try to consume fresh, always take vapor 2-3 times in a day, drink ayurvedic soup( by adding elaichi, cardamom, black pepper, turmeric , tulsi and cinnamon stick in boiling water), use vit c rich fruit like guava, lemon, banana, avocado, Vit C and Multivitamin tablets.