Add Yahoo as a preferred source to see more of our stories on Google. Chicken pox can spread quickly in people who aren't vaccinated. (Illustration: Liliana Penagos; Photo: Getty Images) (Illustration ...

Chickenpox causes a fever followed by an itchy rash with red spots turning into blisters and scabs The illness lasts about four to seven days and children remain contagious until all lesions crust ...

Chickenpox is contagious 1-2 days before you develop a rash and until all blisters crust over. The varicella vaccine is highly effective and decreases chickenpox cases significantly. If untreated, ...

Chickenpox is a highly contagious disease caused by the varicella-zoster virus (VZV). It mainly affects children but can also occur in adults. Once someone contracts chickenpox, they usually become ...