+Values of R0 and herd immunity thresholds (HITs) of well-known infectious diseases prior to intervention Disease Transmission R0 HIT Measles Aerosol 12–18 92–94\% Chickenpox (varicella) Aerosol 10–12 90–92\% Mumps Respiratory droplets 10–12Australian government Department of Health Mumps Laboratory Case Definition (LCD) 90–92\% Rubella Respiratory droplets 6–7 83–86\% Polio Fecal–oral route 5–7 80–86\% COVID-19 (Variants) Respiratory droplets and aerosol 3  Covid: Is there a limit to how much worse variants can get? bbc.com , on 12. June 2021 65\% (The claim that this is twice as infectious as wild type has been thoroughly debunked. Pertussis Respiratory droplets 5.5 82\% Smallpox Respiratory droplets 3.5–6.0 71–83\% COVID-19(wild type) Respiratory dropletsand aerosol HIV/AIDS Body fluids 2–5 50–80\% SARS Respiratory droplets 2–4 50–75\% Common cold Respiratory droplets 2–3 50–67\% Diphtheria Saliva Ebola(2014 Ebola outbreak) Body fluids Influenza(2009 pandemic strain) Respiratory droplets Influenza(seasonal strains) Respiratory droplets Nipah virus Body fluids 0.48 0\% MERS Respiratory droplets 0\%
+Values of R0 and herd immunity thresholds (HITs) of well-known infectious diseases prior to intervention Disease Transmission R0 HIT Measles Aerosol 12–18 92–94\% Chickenpox (varicella) Aerosol 10–12 90–92\% Mumps Respiratory droplets 10–12Australian government Department of Health Mumps Laboratory Case Definition (LCD) 90–92\% Rubella Respiratory droplets 6–7 83–86\% Polio Fecal–oral route 5–7 80–86\% COVID-19 (Variants) Respiratory droplets and aerosol 3 –8 Covid: Is there a limit to how much worse variants can get? bbc.com , on 12. June 2021 +80\% Pertussis Respiratory droplets 5.5 82\% Smallpox Respiratory droplets 3.5–6.0 71–83\% COVID-19(wild type) Respiratory dropletsand aerosol HIV/AIDS Body fluids 2–5 50–80\% SARS Respiratory droplets 2–4 50–75\% Common cold Respiratory droplets 2–3 50–67\% Diphtheria Saliva Ebola(2014 Ebola outbreak) Body fluids Influenza(2009 pandemic strain) Respiratory droplets Influenza(seasonal strains) Respiratory droplets Nipah virus Body fluids 0.48 0\% MERS Respiratory droplets 0\%
A
–8
R
65\% (The claim that this is twice as infectious as wild type has been thoroughly debunked.
+80\%