MEASLES Flashcards
An acute highly communicable infection characterized by fever, rashes and upper respiratory tract symptoms
MEASLES
Other Name for measles
RUBEOLA
Causative Agent of measles
Morbilli Paramyxoviridae
CLASSIFICATION
virus
Measles: SOURCE OF INFECTION
Secretions of nose and throat of infected person
Measles: Mode of Transmission:
- Droplet (main)
- Direct contact
- PROBABLY Airborne (yet to be confirmed)
Incubation period of measles
10-14 days
MeaslesPeriod of Communicability:
- 9 days: 4 days before and 5 days after rash appearance (maculopapular rash)
Measles susceptibility:
- Babies born of mothers who had the disease—-
immune for the FIRST FIVE MONTHS OF LIFE (still needed anti measles @ 9 mos. & MMR @ 12-15 mos. - PERMANENT ACQUIRED IMMUNITY—–after attack of measles
How long will a baby born with measles be immune?
5 months
Measles: Signs and symptoms
NOTE:
1. Starts with CORYZA (runny nose) and later with
2. CONJUNCTIVITIS
- 2 days of coryza
- KOPLIK’S SIGN: whitish or grayish pecks are found on the inner surface of the cheeks.
3. MACULOPAPULAR RASH appears on the 3rd or 4th day on the face, body and extremities
4. ending in a BRANNY DESQUAMATION (scaly skin)
A symptom of measles that has whitish or grayish pecks found on the inner surface of the cheeks
Koplik’s spots
Measles: Signs and symptoms
- High fever (accompanied by coryza)
- Stimson’s line: characterized by transverse line of inflammation along the eyelid margin.
- Distribution of rash: CEPHALOCAUDAL
A symptom of measles that is characterized by transverse line of inflammation along the eyelid margin
Stimson’s line
Measles: Diagnostic Test
- Wright staining (Eosin & Methylyn blue= staining reagents)
- Peripheral blood smear