However, as with cold sores and shingles, Valtrex is not a cure for genital herpes. Valtrex was approved for treating chickenpox in children based on studies of acyclovir (ZoviraxÂ®), a very similar medication. Other studies have shown that Valtrex (which the body transforms into acyclovir) is safe in children.
Polyvinyl alcohol. Poly(vinyl alcohol) (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. It has the idealized formula [CH2CH(OH)]n. It is used in papermaking, textiles, and a variety of coatings. It is white (colourless) and odorless. It is sometimes supplied as beads or as solutions in water.
Definition of MPA. A marine protected area (MPA) is essentially a space in the ocean where human activities are more strictly regulated than the surrounding waters-similar to parks we have on land.or example, there are many different kinds of MPAs in U.S. waters including national parks, wildlife refuges, monuments and marine sanctuaries, fisheries closures, critical habitat, habitat areas of particular concern, state parks, conservation areas, estuarine reserves and preserves, and numerous others.