how is the contagiousness of a disease determined?

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how is the contagiousness of a disease determined?

In: Biology

Anonymous 0 Comments

It is done by calculating the R0 (said “R naught”). So if a disease has an R0 of 4 it means that for every person infected four more will be infected by that person. However, it is hard to calculate it quickly for new diseases like Covid-19 because they need to track the spread over time.