Chickenpox (Varicella)
For Everyone About Chickenpox KEY POINTS Chickenpox is a highly contagious disease caused by the varicella-zoster virus (VZV). The virus spreads mainly through close contact with someone who has chickenpox. The best way to prevent chickenpox is to get the chickenpox vaccine. MORE INFORMATION What it is Chickenpox is very contagious. Symptoms include an itchy, […]