| μ |
Fertility/Mortality rate |
New births/deaths per 1000 population per year |
34.216 |
UN Population Division (Estimations for Cameroon in 2013) |
| 1/σ |
Incubation period |
Time from infection to development of Buruli ulcer symptoms (months) |
(3–5) |
Uganda Buruli Group 1971;Veitch 1997; Lavender 2012;Trubiano 2013 |
|
βMU
|
Environmental transmission rate |
Rate of direct transmission of MU from the aquatic environment to humans |
|
Estimated from the models |
|
βWB
|
Water bug transmission rate |
Rate of transmission of MU from water bugs to humans |
|
Estimated from the models |
| 1/ε |
Time to seek treatment |
Time from development of Buruli ulcer symptoms to admission in the hospital (months) |
(1–6) |
Buruli ulcer Database (Own data) |
| 1/γ |
Time of treatment |
Time from admission in the hospital to end of treatment (months) |
(2–6) |
Buruli ulcer Database (Own data) |
|
MUpos
|
Total MU positivity in the environment |
Total proportion of pools from all sites that were positive to M. ulcerans DNA |
(0–0.17) |
Environmental database (Own data) |
|
MUconc
|
Mean MU concentration in the aquatic environment |
Log10 of the mean concentration of M. ulcerans in pools from all sites (cfu/ml) |
(0–3.31) |
Environmental database (Own data) |
|
WBpos
|
Water bug positivity to MU
|
Proportion of pools containing water bugs from the families Naucoridae and Belostomatidae that were positive to M. ulcerans DNA |
(0–0.36) |
Environmental database (Own data) |
|
WBab
|
Water bug abundance |
Total number of hemipteran water bugs from the families Naucoridae and Belostomatidae collected from all sample sites |
(150–599) |
Environmental database (Own data) |
|
WBinf
|
Total number of infected water bugs |
Water bug positivity *Water bug abundance |
(0–72) |
Environmental database (Own data) |
