Mathematics
Age Structure
12%
Alike
12%
Class
2%
Dynamic Process
12%
Hopf Bifurcation
8%
Immunity
11%
Imperfect
75%
Infection
9%
Influenza
88%
Mathematical Analysis
66%
Model
21%
Numerical Simulation
7%
Perturbation
6%
Quarantine
100%
Uniform Persistence
12%
Variable Delay
11%
Earth & Environmental Sciences
age structure
9%
bifurcation
10%
immunity
11%
infection
8%
influenza
83%
mathematical analysis
82%
parameter
3%
quarantine
97%
simulation
4%
SIR
12%
Medicine & Life Sciences
Coinfection
12%
Disease Outbreaks
11%
Epidemics
11%
Epidemiologists
17%
Human Influenza
61%
Immunity
10%
Quarantine
98%
Research Personnel
9%
Agriculture & Biology
age structure
9%
cross immunity
14%
infection
5%
influenza
78%
quarantine
73%
researchers
7%
Chemical Compounds
Process Dynamics
78%
Simulation
41%