Varicella zoster virus Varicella zoster virus Varicella zoster virus or varicella-zoster virus (VZV) is one of eight herpesviruses known to infect humans. It causes chickenpox (varicella), a disease most commonly affecting children, teens, and young adults, and shingles (herpes zoster) in adults; shingles is rare in children. VZV is a worldwide pathogen known by many names: chickenpox virus, varicella virus, zoster virus, and human herpesvirus type 3 (HHV-3). VZV infections are species-specific to humans, but can survive in external environments for a few hours, maybe a day or two. VZV multiplies in the lungs, and causes a wide variety of symptoms. After the
Placental disease being exposed to severe trauma within the pregnancy period, rapid acceleration and deceleration and uterine compression increase the risk of placental abruption, in turn leading to placental disease. Placental Disease can be diagnosed through technologies such as, Prenatal ultrasound evaluation and invasive foetal testing. The size of the foetus is taken into account through ultrasonography in terms of intrauterine growth restriction (IUGR). In conjunction with taking into account the maternal history. Treatment of placental disease would require a premature birth, in order to avoid a still birth. Placental disease is more common in preterm gestation than with full term. Which