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Chickenpox, also known as varicella (/ ˌ v ɛ r ə ˈ s ɛ l ə / VER-ə-SEL-ə), is a highly contagious disease caused by varicella zoster virus (VZV), a member of the herpesvirus family. [ 3 ] [ 7 ] [ 5 ] The disease results in a characteristic skin rash that forms small, itchy blisters , which eventually scab over. [ 1 ]
When chicken pox outbreaks do occur, it’s understandable that people will have questions about the disease. ... “There is a misconception that chicken pox is trivial, but it can be associated ...
[1] [8] During an outbreak of shingles, exposure to the varicella virus found in shingles blisters can cause chickenpox in someone who has not yet had chickenpox, although that person will not suffer from shingles, at least on the first infection. [12] How the virus remains dormant in nerve cells or subsequently re-activates is not well understood.
1775–1776 England influenza outbreak 1775–1776 England Influenza: Unknown [116] 1775–1782 North American smallpox epidemic: 1775–1782 Native populations in what is now the Pacific Northwest of the United States Smallpox: 11,000+ [117] [118] 1778 Spain dengue fever outbreak 1778 Spain Dengue fever: Unknown [119] 1782 Influenza pandemic ...
Chicken pox. What it looks like: ... Other symptoms to note: Petechiae is a symptom related to other illnesses (most commonly, meningitis or lupus). It happens because of inflammation in the skin ...
Monkeypox and chickenpox can be confused with each other. Doctors break down how to tell monkeypox vs. chickenpox, plus what to do next. Monkeypox vs. Chickenpox: How to Tell the Difference
It causes chickenpox (varicella), a disease most commonly affecting children, teens, and young adults, and shingles (herpes zoster) in adults. In epidemiology , an infection is said to be endemic in a specific population or populated place when that infection is constantly present, or maintained at a baseline level, without extra infections ...
The varicella vaccine is 85% effective at preventing varicella (chickenpox) infection. [9] However, 75% of individuals that are diagnosed with breakthrough varicella exhibit milder symptoms than individuals that are not vaccinated. [5] These individuals with mild varicella have low fevers, fewer than 50 lesions on their skin, and a ...