To learn more about this topic, start your googling with these keywords: Basic reproduction number: a figure expressing the average number of cases of an infectious disease arising by transmission from a single infected individual, in a population that has not previously encountered the disease. Epidemic: a widespread occurrence of an infectious disease in a community at a particular time. Meme: an image, video, piece of text, etc., typically humorous in nature, that is copied and spread rapidly by internet users, often with slight variations. Viral: of the nature of, caused by, or relating to a virus or viruses. Or relating to or involving an image, video, piece of information, etc., that is circulated rapidly and widely from one internet user to another. MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth - Buy our merch: http://dftba.com/minuteearth - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices
