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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, vaccine-preventable disease caused by the initial infection with varicella zoster virus (VZV), a member of the herpesvirus family.
Rubella, also known as German measles or three-day measles, [6] is an infection caused by the rubella virus. [3] This disease is often mild, with half of people not realizing that they are infected.
Measles (probably from Middle Dutch or Middle High German masel(e) ("blemish, blood blister")) [11] is a highly contagious, vaccine-preventable infectious disease caused by measles virus.
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
In linguistics an accidental gap, also known as a gap, paradigm gap, accidental lexical gap, lexical gap, lacuna, or hole in the pattern, is a potential word, word sense, morpheme, or other form that does not exist in some language despite being theoretically permissible by the grammatical rules of that language. [1]
The Greenland shark (Somniosus microcephalus), also known as the gurry shark or grey shark, is a large shark of the family Somniosidae ("sleeper sharks"), closely related to the Pacific and southern sleeper sharks. [2]
Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.
Thomas Mark Harmon (born September 2, 1951) is an American actor and former football player. He is perhaps best known for playing the lead role of Leroy Jethro Gibbs on NCIS.