How many infants born in the United States are breastfed? The CDC National Immunization Survey is a nationally representative sample of the U.S. population that provides the percent of U.S. children who are breastfed by birth year. Rates are provided on breastfeeding initiation, duration, and exclusivity.
Valtrex (valacyclovir) is an antiviral medication used to treat infections with: 1  herpes zoster (shingles), 2  herpes simplex genitalis (genital herpes), 3  and herpes labialis (cold sores).
A: Valtrex (valacyclovir) is a medication that is used to treat cold sores, shingles, chickenpox and genital herpes. All of these conditions are caused by the herpes virus and Valtrex works by helping the body fight the infection by preventing the virus from replicating.: The pharmacologic effects of Valtrex (valacyclovir) vary depending on the indication for use. Valtrex is an antiviral medication indicated for the treatment and control of infections caused by herpes viruses in adults and children, including genital herpes, cold sores, shingles and chickenpox.