Latest Varicella zoster virus Stories
By Toni Clarke and Susan Heavey BOSTON/WASHINGTON (Reuters) - U.S. health officials on Friday approved the first vaccine to prevent shingles, a painful disease characterized by a blistering rash that affects nearly 1 million, mostly older adults every year.
By Susan Heavey WASHINGTON (Reuters) - Studies show Merck & Co. Inc.'s experimental vaccine to prevent shingles can cut the rate of infection by about half in people 60 and older and help curb related pain, U.S. regulatory staff said in documents released on Wednesday.
Herpes zoster (or zoster), is known as shingles or zona and is a viral disease characterized by painful skin rash with blisters in a limited area on one side of the body. Initial infection causes chickenpox. Once chickenpox is over the virus remains in the body and can cause shingles. It can become latent in the nerve cell bodies and sometimes in the dorsal root, cranial nerve, or autonomic ganglion. Years after initial infection, another breakout can cause a painful rash. The rash usually...