Vertical transmission
Passage of a disease-causing agent (pathogen) from mother to baby during the period immediately before and after birth. Transmission might occur across the placenta, in the breast milk, or through direct contact during or after birth. For example, HIV can be a vertically transmitted pathogen. Also known as perinatal transmission.
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Dizziness, Lightheadedness, and Unsteadiness.
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A balance disorder that results in the sudden onset of dizziness, spinning, or vertigo when moving the head.
- Vertigo, recurrent aural
A condition, also known as Meniere’s disease, with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms include vertigo, dizziness, nausea, vomiting, loss of hearing (in the affected ear). Meniere’s syndrome or disease is due to dysfunction of the semi-circular canals (endolymphatic sac) in the inner ear. The treatment of Meniere’s disease […]
- Very low calorie diet (VLCD)
The Very low calorie diet (VLCD) is a doctor-supervised weight loss plan that uses commercially prepared formulas (usually shakes and/or bars) to achieve significant short-term weight loss. The shakes or bars typically replace all food consumption for a period of weeks to months. Very low calorie diets generally contain about 800 calories per day, or […]
- VES (Voluntary Euthanasia Society)
The first society of its kind in the world — its founders included doctors, lawyers and churchmen — the VES was set up in England in 1935. The announced aim of the VES is to make it legal for a competent adult suffering unbearably from an incurable illness to receive medical help to die at […]