The [1-(1/R0)] equation is standard for herd immunity threshold calculations... But what if one has access to attack rate but not R0?https://twitter.com/bolkerb/status/864938063977488385 …
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For the standard SIS model, there is a relation between R0/herd immunity and attack rate (see Rohani/Keeling book).
But I doubt that the assumptions (homogeneous mixing, no change in transmission) are applicable to real-world outbreaks.
