The effort is particularly intense in Baltimore, home to more than 200 offenders who are barred from contact with children.
In addition to the signs, all such offenders have been advised in a letter to stay home from 6 p.m.
If you don’t have a center near you, call Child Protective Services or law enforcement in your area.
Convicting someone who has sexually abused a child may depend on evidence from a professional examination.
The herpes virus is spread by skin-to-skin contact with a person who has the herpes virus: People with a weak immune system can get a herpes infection more easily.