skin of a child with symptoms of chickenpox, skin rash.

chickenpox varicella skin macro infection face child virus pediatrics dermatology rash health medical disease sickness pox sick medicine care childhood red chicken smallpox scratch kid baby symptoms body patient spots closeup acne blister contagious pimples vesicles inflammation contagiousness treatment scabbing scratching relief disinfection antihistamine diagnosis papules pustules scabs nose