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Table 1 Description of parameters of co-infection model (1)

From: A co-infection model of dengue and leptospirosis diseases

Parameter Description
Π Human recruitment rate
Ω Dengue vector recruitment rate
Λ Leptospirosis vector recruitment rate
\(\beta _{1}\) Rate of transmissibility of leptospirosis b/n dengue infected human and leptospirosis vector contact
\(\alpha _{1}\) Transmission rate from leptospirosis only infected to the susceptible human population
\(\alpha _{2}\) Transmission rate from leptospirosis vector to susceptible human population
\(\delta _{1}\) Disease induced death rate of human due to leptospirosis only
\(\delta _{2}\) Disease induced death rate of animal due to leptospirosis only
\(\sigma _{1}\) Dengue disease waning immunity
\(\sigma _{2}\) Leptospirosis disease waning immunity
\(\sigma _{3}\) Dengue–leptospirosis disease waning immunity
μ Natural death rate of human population
\(\mu _{vd}\) Natural death rate of dengue vector
\(\mu _{vl}\) Natural death rate of leptospirosis vector
\(\rho _{1}\) Transmission rate from dengue only infected human to susceptible dengue vector population
\(\rho _{2}\) Transmission rate from leptospirosis only infected human to susceptible leptospirosis vector population
\(\gamma _{1}\) Rate of recovery from dengue disease
\(\gamma _{2}\) Rate of recovery from dengue disease
ε Rate of recovery from dengue–leptospirosis co-infection diseases
ϱ Mortality rate related to leptospirosis vector due to the disease
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