Thema
Journal Article
83
Paho
61
International Agencies
58
Who
58
Organizations
57
Un
56
Developing Countries
51
Americas
46
Health
46
Delivery Of Health Care
41
Latin America
41
Health Services
39
Diseases
38
Primary Health Care
29
Developed Countries
28
Organization And Administration
26
North America
25
Immunization
23
Viral Diseases
22
Economic Factors
20
South America
20
Caribbean
16
Programs
15
Medicine
14
PAHO
14
Research Methodology
13
Infections
12
United States
12
Northern America
11
Population
11
Vaccination
11
Vaccines
11
Demographic Factors
10
Education
10
Preventive Medicine
10
Financial Activities
9
International Cooperation
9
Biology
8
Brazil
8
Measles--prevention and control
8
Population Characteristics
8
Public Health
8
Age Factors
7
Critique
7
Measurement
7
Recommendations
7
Comparative Study
6
National Health Services
6
PAHO, Pan American Health Organization
6
Socioeconomic Factors
6
mehr ...