https://en.wikipedia.org/wiki/Virulence https://en.wikipedia.org/wiki/Virulence is how harmful it is, https://en.wikipedia.org/wiki/Infection#Contagiousness htt

https://en.wikipedia.org/wiki/Virulence https://en.wikipedia.org/wiki/Virulence is how harmful it is, https://en.wikipedia.org/wiki/Infection#Contagiousness https://en.wikipedia.org/wiki/Infection#Contagiousness is how readily it spreads. They’re related because a lot of the harm a disease does is a side effect of using your body to become more contagious (e.g., coughing due to chest congestion).