My mother had a virus in the first trimester of the pregnancy that, at that time, was leaving children with massive birth defects. (rachelheldevans.com)
With stats like that, it's not surprising that almost 16 % of those who have the virus don't even realize it. (health.com)
If the antibody test is negative, we are not certain the dog still does not have the virus lurking somewhere it it's body. (2ndchance.info)