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, Australiaâs largest and oldest city, is located within a coastal basin that of which is bordered by the Blue Mountains over to the west, the Pacific Ocean over to the east, the Woronora Plateau over to the south and the Hawkesbury River over to the north.