Theory and Modern Applications
Parameters or variables | Explanation |
---|---|
S | Susceptible (healthy) |
I | Infected (symptomless, undiscovered) |
D | Diagnosed (symptomless,discovered) |
A | Ailing (symptomatic, undiscovered) |
R | Recognized (symptomatic, discovered) |
T | Threatened (infectious, discovered) |
H | Healed |
E | Extinct |
m | Percentage of infected after S and I tough |
n | Percentage of infected after S and D tough |
p | Possibility of infected after S and A tough |
q | Odds of infected after S and R tough |
a | Probability of detection of asymptomatic carriers |
b | Probability of detection of symptomatic carriers |
c | Probability of symptoms in the undetected |
e | Probability of symptoms being detected |
g | Probability that A have life-threatening symptoms |
j | Probability that R have life-threatening symptoms |
o | Death ratio of T |
u | Heal ratio of I |
v | Heal ratio of A |
w | Heal ratio of R |
r | Heal ratio of D |
z | Heal ratio of T |