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, capital of New South Wales, is Australia's first city, having grown from the first European settlement in 1770 on Sydney Cove into the vibrant megametropolis that it is today.It is a city of many attractions and a popular first destination for visitors to Australia.t's often easy enough to know that Sydney and Melbourne are cities in Australia. And, no, despite its prominence among the cities of the world, Sydney is not the capital of Australia.