From: Extracting key information from historical data to quantify the transmission dynamics of smallpox
Location | R 0 | Range (min, max) | Assumptions |
---|---|---|---|
5.0 | - | Calculated from proposed goal of vaccination coverage | |
Abakaliki, Nigeria, 1967 [67] | 1.1 | (1.0, 1.2)‡ | Population mixes randomly, initially fully susceptible |
Various outbreaks in Europe and the US, 18–20th centuries [66] | 3.5–6.0 | (3.4, 10.8) | Population mixes randomly, initially fully susceptible |
Paris, 17th century [53] | 6.7 | - | Population is fully susceptible at birth |
Abakaliki, Nigeria, 1967 [18] | 6.9 | (4.5, 10.1)‡ | Initially partially immune, heterogeneous mixing |