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Table 1 Parameter values by age class, and corresponding references

From: Hepatitis a virus infection in Central-West Tunisia: an age structured model of transmission and vaccination impact

Parameter

Meaning

Value

Relevant references

b

Birth rate

799 person per year

Estimated from TNIS

Îľ

Age specific non_HAV death rate

172 per 10,000 person

Estimated from TNIS

1/δ

Mean duration of latent period

14 days

[30, 31]

\( \frac{1}{\sigma_i}\kern0.75em i=1..n \)

Age-specific mean duration of infectious period

(see Appendix)

Estimated

λi, i = 1. . n

(Used to estimate βij)

Age-specific true force of infection

(see Appendix)

Estimated (Appendix)

εi, i = 1. . n

Age-specific death rate (attributable to HAV infection in symptomatic cases)

(see Appendix)

Estimated

ÎĽ

Vaccine efficacy

97%

[32, 33]

Ni, i = 1. . n

Population sizes of age class

(see Appendix)

Estimated from total population of the study region (Thala)