Table.
Demographic characteristics and serologic immunity to vaccine-preventable diseases in asylum seekers in New York City, 2023
| Characteristic | Value (n=1147) |
|---|---|
| Age, median (IQR) years | 13 (7, 30) |
| Children (<13 years)* | 558 (49.1%) |
| Adolescent/ Young Adult (13–21 years) | 146 (12.8%) |
| Adults (>21 years) | 433 (38.1%) |
| Sex, n (%) | |
| Female | 610 (53.2%) |
| Male | 537 (46.8%) |
| Country/ Region of origin, n (%) | |
| Venezuela | 397 (34.6%) |
| Ecuador | 262 (22.8%) |
| Colombia | 196 (17.1%) |
| Peru | 79 (6.9%) |
| Central America | 58 (5.1%) |
| Caribbean | 55 (4.8%) |
| Other (South America) | 34 (3.0%) |
| Other (Africa, Asia) | 29 (2.3%) |
| Mexico | 11 (1.0%) |
| Secondary Migration | 124 (10.8%) |
| Serologic Evidence of Immunity, n (%) | |
| Varicella | 780 (68.0%) |
| Measles | 839 (73.1%) |
| Mumps | 978 (85.3%) |
| Rubella | 1067 (93.0%) |
| Hepatitis A | 780 (68.0%) |
| Hepatitis B | 670 (58.4%) |
| Immune to Measles, Mumps, and Rubella | 728 (63.5%) |
| Immune to hepatitis A and B | 468 (40.8%) |
| Immune to all tested diseases | 237 (20.7%) |
| Non-immune to all tested diseases | 9 (0.8%) |
*
Youngest age recorded was 1 year old, and 24 (2.1%) of the sample was less than 2 years old.
Serologic evidence of immunity was based on a positive immunoglobulin G test. Denominator for each proportion was based on the number of people who completed testing. People with positive testing for hepatitis B infection were excluded from immunity analysis. Secondary migration was defined as migration following a minimum of one year in an intermediate country before entry into the US.