Chickenpox, also known as varicella, is a highly contagious disease caused by the initial infection with varicella zoster virus (VZV).The disease results in a characteristic skin rash that forms small, itchy blisters, which eventually scab over.he most common late complication of chickenpox is shingles (herpes zoster), caused by reactivation of the varicella zoster virus decades after the initial, often childhood, chickenpox infection. The back of a 30-year-old male after five days of the rash.
The largest city in Australia by population is Sydney, with 4,605,992 people as of the 2011 census. + 22 others found this useful.
Sydney (4.9 million) Sydney is the home of the Opera House and the Sydney Harbour Bridge, and hosted the 2000 Summer Olympics. Sydney is Australia's largest and most cosmopolitan city. It is also the capital and largest city of New South Wales.