toddler boy with chicken pox,lying in bed with fever, mother checking him

allergic allergy baby blister blistering body boy chicken chickenpox child childhood contagious covered crying dermatitis dermatology disease face feeling health healthcare home ill illness immunesystem immunity infection infectiousdisease itchy kid medical mother portrait pox protection rash scab scratch sick sickness skin smallpox spots symptoms temperature toddler unhappy unwell vaccination varicella virus zoster