X |
Number of people susceptible to both influenza virus and bacteria |
YFA
|
Number of people with asymptomatic influenza infection but not colonized with bacteria |
YFS
|
Number of people with symptomatic influenza infections but not colonized with bacteria |
ZF |
Number of people have recovered from influenza infection |
YB |
Number of people colonized with bacteria and susceptible to influenza virus |
YBFA
|
Number of co-infected people who are colonized with bacteria first then acquire asymptomatic influenza infection |
YBFS
|
Number of co-infected people who are colonized with bacteria first then acquire symptomatic influenza infection |
YFAB |
Number of co-infected people who are asymptomatically infected with influenza first and then acquire bacterial colonization |
YFSB |
Number of co-infected people who are symptomatically infected with influenza first and then acquire bacterial colonization |
YP |
Number of people who develop secondary bacterial pneumonia |
ZFYB |
Number of people who have recovered from influenza infection but are still colonized with bacteria. |
N |
Total number of population |