Zika and Ebola, explained by their outbreak potential
>
(Javier Zarracina/Vox)
With every disease outbreak, researchers try to figure out how far — and how fast — a virus is likely to spread through a population.
To do that, they use a number called an "R naught," or R0. Most simply, the figure refers to how many other people one sick person is likely to infect on average in a group that's susceptible to the disease.
The number is super important in the context of public health because it foretells how big and deadly an outbreak will be. Читать дальше...