Why Is This Virus So Contagious?

SARS-CoV-2 is super contagious, and researchers don’t yet know all the reasons why. But by comparing this new virus to the similar one that causes SARS, we’ve found a lot of promising leads that could help us figure out how to beat this thing. Go to http://Brilliant.org/SciShow to try their Logic course. The first 200 subscribers get 20% off an annual Premium subscription. Hosted by: Hank Green COVID-19 Playlist:    • COVID-19 News & Updates   SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon:   / scishow   ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Kevin Bealer, Jacob, Katie Marie Magnone, D.A.Noe, Charles Southerland, Eric Jensen, Christopher R Boucher, Alex Hackman, Matt Curls, Adam Brainard, Scott Satovsky Jr, Sam Buck, Ron Kakar, Chris Peters, Kevin Carpentier, Patrick D. Ashmore, Piya Shedden, Sam Lutfi, charles george, Greg ---------- Looking for SciShow elsewhere on the internet? Facebook:   / scishow   Twitter:   / scishow   Tumblr:   / scishow   Instagram:   / thescishow   ---------- Sources: https://doi.org/10.3201/eid2607.200282 https://www.ncbi.nlm.nih.gov/pubmed/1... https://www.ncbi.nlm.nih.gov/pubmed/1... https://www.ncbi.nlm.nih.gov/pubmed/1... https://doi.org/10.1038/d41586-020-00... https://doi.org/10.1101/2020.03.23.20... https://doi.org/10.1056/NEJMc2004973 https://www.ncbi.nlm.nih.gov/pubmed/2... https://doi.org/10.15585/mmwr.mm6913e1 https://doi.org/10.1016/S1473-3099(20... https://doi.org/10.1038/s41586-020-21... https://doi.org/10.1038/s41591-020-08... https://doi.org/10.1016/S1473-3099(20... https://www.ncbi.nlm.nih.gov/pubmed/2... https://doi.org/10.1016/j.cell.2020.0... https://doi.org/10.1126/science.abb2762 https://doi.org/10.1126/science.abb2507 https://doi.org/10.1038/s41591-020-08... https://www.ncbi.nlm.nih.gov/pubmed/3... https://doi.org/10.1101/2020.02.10.94... https://doi.org/10.1016/j.cell.2006.0... https://doi.org/10.1016/S0955-0674(03... https://doi.org/10.1016/j.cell.2020.0... https://doi.org/10.1038/s41598-018-33... https://doi.org/10.1098/rsif.2013.1083 https://doi.org/10.1007/s13337-020-00... https://doi.org/10.1101/2020.03.22.00... https://doi.org/10.1016/j.chom.2020.0... Image Sources: https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...