Varicella - highly contagious disease Eruptiva

Very contagious
Chickenpox is a highly contagious disease caused by the varicella-zoster virus. Once suffered, the virus remains dormant in the body and face certain circumstances, can be reactivated and trigger a herpes zoster (see box).

The contagion occurs several days before symptoms appear, this incubation period can last between 10 and 21 days, with an average of 16 days. His high contagiosidad causes the virus to spread very easily.
Usually, when the child coughs, viruses are spread everywhere. It is said that with a stroke of the microdroplets cough can travel by air up to seven meters.

But the contagion is not only caused by respiratory secretions but also by
contact with the contents of the blisters. This power of contagion becomes more important two days before the onset of symptoms and blisters while persist intact.
When the crusts are only child not more contagious.