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.
[É¡waÃ°alaËxaÉ¾a]. ) is the capital and largest city of the Mexican state of Jalisco, and the seat of the municipality of Guadalajara. The city is located in the central region of Jalisco in the Western-Pacific area of Mexico. With a population of 1,495,189 it is Mexico's fourth most populous municipality. The Guadalajara Metropolitan Area includes seven adjacent municipalities with a reported population of 4,328,584 in 2009, making it the second most populous metropolitan area in Mexico, behind Mexico City.