Respirator infections II (MMR)

Question 1

other name of measles and the agent factor

Answer 1

RUBEOLA,
The Agent: Is a large enveloped RNA virus in the family Paramyxoviridae.

Question 2

MEASLES Characterized by

Answer 2

fever, dry cough, coryza , conjunctivitis & the pathognomonic Koplik’s spots, which is followed by the typical morbilliform rash.

Question 3

about measles
1. incubation period
2. Infectivity period

Answer 3

1. incubation period = 1 - 2w
2. Infectivity period = 4 before and 4 after the rash

Question 4

about measles
carrier and reservoir

Answer 4

no carrier
and the human is the only host

Question 5

can we give antibiotic for measles

Answer 5

no .. but we give for 2ry bac. infection

Question 6

talk about WHO measles elimination strategy

Answer 6

1. Keep up :Routine services aimed at vaccinating more than 95% of all newborns.
2. Catch-up :a one time nationwide vaccination campaign targeting all children aged 9 months to 20 years.
3. Follow up : a subsequent nationwide campaign conducted every 2-4 years targeting all children born after the catch up round.

Question 7

about mumbs
1. incubation period
2. Infectivity period

Answer 7

1. incubation period = 2 - 3w
2. Infectivity period = 1w before and 2w after

Question 8

agent factor of mumbs

Answer 8

The causative agent is a single stranded RNA virus belonging to the paramyxoviridae family.

Question 9

common age of mumbs

Answer 9

1. 5 -15 y is the common
2. less than 2 y is rare
3. in adult is uncommon but severe

Question 10

why the controle of mumbs is difficult?

Answer 10

1. The disease is infections before diagnosis can be made clinically
2. The occurrence of subclinical cases .
3. The long and variable IP

Question 11

the agent factor of RUBELLA

Answer 11

Togavirus

Question 12

RUBELLA is charactarized by

Answer 12

fever, lymphadenopathy & maculo-papular rash
if in pregnant it may cause serious congenital defects (Congenital Rubella Syndrome CRS)

Question 13

about RUBELLA
1. incubation period
2. Infectivity period

Answer 13

1. incubation period = 2 - 3w
2. Infectivity period = 5 before and 5 after

Question 14

clinical feature of RUBELLA

Answer 14

1. Prodromal illness
   Absent in young children, but in adult may have short period of mild fever, malaise, enlarged , tender ( post auricular & and posterior cervical) lymph glands.
2. Rash:
   Discrete, rose-pink macules, appear first on the face and neck, then spread to trunk and limbs within 24 hr and rapidly fades in order of appearance.
3. Polyarthralgia:
   Often in adults especially young women last for weeks