Chickenpox is an illness caused by the varicella zoster virus (VZV), which is a member of the herpesvirus family.The illness lasts between 5 and 10 days causing an itchy, blister-like rash, fever, headache, fatigue, and loss of appetite.hickenpox is an illness caused by the varicella zoster virus (VZV), which is a member of the herpesvirus family.
Mexicoâs ten largest cities (2009 population) are: Mexico City 19,982,000 (Metropolitan Area) Guadalajara 4,365,000. Monterrey 3,986,000. Puebla 2,647,000.
Mexico City is the capital city of... A 2014 population survey estimates there are 20.843 million people living in Mexico City, as reported by the Central Intelligence Agency's World Factbook. Mexico City is the capital city of... A 2014 population survey estimates there are 20.843 million people living in Mexico City, as reported by the Central Intelligence Agency's World Factbook. Mexico City is the capital city of Mexico. Mexico is a North American country situated just south of the United States.