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).
Valtrex (valacyclovir) is an antiviral drug based on acyclovir used to treat a variety of conditions caused by the herpesviridae family of viruses.alacyclovir is used to shorten the duration and severity of shingles symptoms and to help stop new sores from forming. Valacyclovir should be started soon after the shingles rash appears and is taken is normally taken in a week-long regimen.