Agriculture & Biology
influenza vaccines
100%
influenza
79%
cost effectiveness
72%
vaccination
60%
economics
45%
influenza vaccination
38%
at-risk population
25%
young adults
24%
subtropics
24%
morbidity
23%
developing countries
21%
Medicine & Life Sciences
Inactivated Vaccines
83%
Influenza Vaccines
76%
Human Influenza
62%
Cost-Benefit Analysis
58%
Vaccination
53%
Economics
39%
Costs and Cost Analysis
20%
Insurance Benefits
17%
Developing Countries
15%
Young Adult
13%
Age Groups
12%
Elderly
11%
Morbidity
9%
Mortality
8%
Health
8%
Child
7%
Social Sciences
contagious disease
66%
vaccination
60%
costs
38%
Health Economics
17%
morbidity
13%
economics
11%
age group
11%
mortality
11%
young adult
11%
developing country
10%
cause
7%
health
6%
Group
4%