Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
| Virus detected and risk group | Lymphoid tissue |
|
|---|---|---|
| Positive | Negative | |
| B19 (all risk groups) | ||
| Bone marrow | ||
| Positive | 27 | 1 |
| Negative | 3 | 29 |
| PARV4 (IDUs and persons with hemophilia) | ||
| Bone marrow | ||
| Positive | 14 | 1 |
| Negative | 2 | 21 |
*IDUs, injection drug users.
