Measles and German Measles Agent,Causes

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Measles and German Measles

Measles and German Measles

Agent: rubeola measles virus.

Measles ( Rubeola )

Source: respiratory secretions, blood, and urine of infected person.

Transmission: by direct contact with infected person.

Passive immunity: birth to 1 year of age if the mother is immune prior to pregnancy.

Incubation period : 5-15 days .

Common age: school age in spring.

Period of communicability: 4 days before to 5 days after the rash appears.

Clinical manifestations :

  • Catarrhal stage: fever, malaise, cough, conjunctivitis, koplik’s spots.
  • Rash: Appear 2-4 days after onset of catarrhal stages begins in the face and gradually spread downward.

Treatment :

  • Vitamin A supplement.
  • Bed rest.
  • Antipyretics.
  • Antibiotics to prevent secondary bacterial infections.
  • Calamine lotion to minimize itching.

Rubella ( German measles )

Agent : rubella virus .

Source: respiratory secretions, blood, and urine of infected person.

Transmission: by direct and indirect contact with infected person.

Incubation period: 14-21 days.

Period of communicability: 7 days before to 5 days after rashes appear.

Clinical manifestations :

  • catarrhal stage: a headache, anorexia, low-grade fever, sore throat, conjunctivitis and malaise for 1-5 days and the subside1 day after the appearance of rashes.
  • rash: firstly in the face then down to the neck, arms, trunk, and legs and disappear the same way by the 2nd or 3rd day.

Treatment :

No treatment necessary other than antipyretics and analgesics.

complications:

The greatest danger is the teratogenic effect on the fetus (cataract, CHD, and deafness )

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