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).
Anti-Herpes Drugs â Acyclovir and Valcyclovir. Despite an inability to eradicate latent virus, Acyclovir is considered the standard antiviral therapy for herpes simplex virus infection, Acyclovir (Zovirax) and Valacyclovir (Valtrex) are prescribed for labial herpes, genital herpes, cold sores, shingles, and chicken pox.