HIV/AIDS-Pneumonia Codynamics Model Analysis with Vaccination and Treatment

Table 1

Descriptions of model parameters.

Parameter	Interpretations
	Natural mortality rate
	Human recruitment rate
	Development rate from acute HIV to chronic HIV infection
	Development rate from chronic HIV to AIDS stage
	The proportion of the serotype not covered by the vaccine
	Immunity loss rate
	Alteration rate indicating acute HIV infection is more vulnerable to pneumonia
	Alteration rate indicating chronic HIV infection is more vulnerable to pneumonia
	Alteration rate indicating AIDS patient is more vulnerable to pneumonia
	HIV/AIDS standard incidence rate
	Pneumonia mass action incidence rate
	Development rate from acute HIV-pneumonia to chronic HIV-pneumonia coepidemics
	Development rate from chronic HIV-pneumonia to AIDS-pneumonia coepidemics
	Pneumonia death rate
	AIDS death rate
	AIDS-pneumonia death rate
	Pneumonia infection treatment rate
	Acute HIV infection treatment rate
	Vaccination waning rate
	Chronic HIV infection treatment rate
	AIDS patients treatment rate
	Acute HIV-pneumonia coepidemic treatment rate
	Chronic HIV-pneumonia coepidemic treatment rate
	AIDS-pneumonia coepidemic treatment rate
	Transmission rate of HIV
	Transmission rate of pneumonia