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Other suggestions include the designation chicken for a child (i.e., literally 'child pox'), a corruption of itching-pox, [83] [85] or the idea that the disease may have originated in chickens. [86] Samuel Johnson explained the designation as "from its being of no very great danger".
Varicella zoster virus (VZV), also known as human herpesvirus 3 (HHV-3, HHV3), is one of nine known herpes viruses that can infect humans.It causes chickenpox (varicella) commonly affecting children and young adults, and shingles (herpes zoster) in adults but rarely in children.
Other symptoms to note: Chicken pox rashes typically start toward the middle of the body and work outward toward the extremities. It can often cause pockmarked scars after the blisters heal.
The chicken pox vaccine became available in the U.S. in 1995 and, since then, cases of the virus in the U.S. have plummeted. But chicken pox still emerges from time to time. Montana public health ...
The incidence of herpes zoster in vaccinated adults is 0.9/1000 person-years, and is 0.33/1000 person-years in vaccinated children; this is lower than the overall incidence of 3.2–4.2/1000 person-years. [39] [40] The risk of developing shingles is reduced for children who receive the varicella vaccine, but not eliminated. [41]
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One example is the herpes virus family, Herpesviridae, all of which establish latent infection.Herpes virus include chicken-pox virus and herpes simplex viruses (HSV-1, HSV-2), all of which establish episomal latency in neurons and leave linear genetic material floating in the cytoplasm.
Infectious aerosols may stay suspended in air currents long enough to travel for considerable distances; sneezes, for example, can easily project infectious droplets for dozens of feet (ten or more meters). [12] Airborne pathogens or allergens typically enter the body via the nose, throat, sinuses and lungs. Inhalation of these pathogens ...