Why coronavirus mortality rates are so different

How can we understand the risk of death from Covid-19 when there are so many numbers flying around? Well, there are actually three different types of fatality rate: Case Fatality Rate (CFR), Infection Fatality Rate (IFR), and Crude Mortality Rate (CMR). They are calculated in different ways and tell you different things. When we know what each means and how they work, we learn more about how new infections like the coronavirus affect us. Subscribe to The Guardian on YouTube ► https://ift.tt/16bR3Lu Our Science Weekly podcast is taking questions about Covid-19 – some sent by you – to experts on the frontline of the global outbreak. Send them your questions here ► https://ift.tt/39Qu3D3 Support the Guardian ► https://ift.tt/2VEEwKb Today in Focus podcast ► https://ift.tt/2D74a4z Sign up for the Guardian documentaries newsletter ► https://ift.tt/2feoDdN The Guardian ► https://ift.tt/1AFLGzy The Guardian YouTube network: Guardian News ► https://ift.tt/1J9JUwL Owen Jones talks ► http://bit.ly/subsowenjones Guardian Football ► https://ift.tt/1yECE17 Guardian Sport ► http://bit.ly/GDNsport Guardian Culture ► https://ift.tt/16bR6H2