black measles

measles /mea·sles/ (mēz´'lz) rubeola; a highly contagious viral infection, usually of childhood, involving primarily the respiratory tract and reticuloendothelial tissues, marked by an eruption of discrete, red papules, which become confluent, flatten, turn brown, and desquamate.

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atypical measles  a form of natural measles infection affecting those who previously received killed measles virus vaccine.

black measles  a severe form in which the eruption is very dark and petechial.

German measles  rubella.

hemorrhagic measles  black m.

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black measles

n.

A severe form of measles characterized by dark, hemorrhagic skin eruptions. Also called hemorrhagic measles.

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black measles

Etymology: AS, blac + OHG, masala

an acute tickborne illness caused by the bacterium Rickettsia rickettsii. The disease is characterized by a sudden onset of headache, chills, and fever, which can persist for 2 to 3 weeks. A characteristic rash appears on the extremities and trunk about the fourth day of illness. Also called hemorrhagic measles.