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Theory and Modern Applications

Table 1 The parameters and their descriptions

From: Analysis of Atangana–Baleanu fractional-order SEAIR epidemic model with optimal control

Parameter name

Symbol

Influx rate

Λ

Transmission rate from S to E due to contact with I and/or A

\(\alpha _{1}\)

Natural death rate

\(\alpha _{3}\)

The proportion of symptomatic infectious individuals

ρ

Rate of progression from E to A or I

\(\alpha _{4}\)

Disease induces death rate

\(\alpha _{5}\)

The recovery rate of asymptomatic cases

\(\alpha _{6}\)

The recovery rate of symptomatic cases

\(\alpha _{7}\)