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.
Where is Mexico Located? Mexico is a country with a large population which is located in the continent/region of North America. Countries near Mexico include Guatemala, Belize, United States of America and El Salvador. Its biggest cities and towns include Mexico, Ecatepec, Guadalajara and JuÃ¡rez.