Table 1.
General Characteristics of 718 Included Primary Research Publications on Eastern Equine Encephalitis Virus
| Category | Count |
|---|---|
| Type of document | |
| Primary peer-reviewed research | 580 |
| Gray literature with primary data | 108 |
| Thesis | 22 |
| Conference proceeding abstract with data | 8 |
| Continenta | |
| North America | 696 |
| South America | 21 |
| Europe | 13 |
| Asia | 10 |
| Africa | 1 |
| Population category | |
| Nonhuman hosts | 280 |
| Humans | 206 |
| Vectorsb | 209 |
| Animal models | 170 |
| Virus only | 134 |
| Study designa | |
| Observational | 415 |
| Surveillance or monitoring program | 194 |
| Prevalence | 84 |
| Case series or report | 88 |
| Cross-sectional | 34 |
| Outbreak investigation | 32 |
| Longitudinal | 5 |
| Case–control | 2 |
| Experimental | 269 |
| Challenge trial | 191 |
| Molecular characterization | 45 |
| Controlled trial | 26 |
| Otherc | 9 |
| Quasi-experimental | 8 |
| Evaluation of diagnostic tests | 63 |
| Molecular epidemiology | 8 |
| Otherd | 2 |
| Economic model | 1 |
a
Total number sums to >718 as some studies were conducted on more than one continent, had more than one type of study design, or sampled more than one population
b
Includes arthropod and mosquito species.
c
Other includes: experimental methods for cultivating and purifying EEEV.
d
Other includes: investigating a system for deriving EEEV antigens from infected chick embryos and content analysis (mixed methods).
EEEV, eastern equine encephalitis virus.