Blog Do you know? – Viruses and Immunity Posted on 20/05/2020 /Under default /With 0 Comments Tweet Share Share Do You Know? During single coughing by infected individual 3000 droplets spreads in the environment. While in sneezing 40000 droplets spreads up to one-meter distance having a speed of 300km/hour. Each droplet contains approx. 20 lakh viruses. It may float in air once attached to dust particles and survive for 2 to 3 hours. The survival rate on surfaces depends as follows: Glass – 96 hours Plastic and steel –72 hours Cardboard – 24 hours Older people and people with pre-existing medical conditions (such as diabetes and heart disease) appear to be more vulnerable as their immunity is normally less in comparison to younger. Natural remedies to boost immunity Vitamin C supplement Zink supplement Sprouted cereals Use of ginger, turmeric, and lime Related Posts:Myths and Facts about Coronavirus