Agriculture & Biology
anthropogenic activities
91%
infectious diseases
87%
disease models
58%
disease control
38%
mass movement
35%
basic reproduction number
33%
cost effectiveness
23%
travel
22%
developing countries
20%
vaccination
19%
case studies
18%
India
14%
China
13%
infection
11%
Earth & Environmental Sciences
infectious disease
100%
disease control
56%
bifurcation
46%
severe acute respiratory syndrome
33%
vaccination
27%
transportation system
25%
mass movement
24%
cost
22%
infection
20%
travel
19%
developing world
18%
city
12%
analysis
11%
simulation
9%
modeling
9%
comparison
9%
parameter
7%
Engineering & Materials Science
Disease control
51%
Cost effectiveness
18%
Developing countries
18%
Costs
6%