Exam 12 Flashcards
communicability
ability to be spread to others
Incubation period
Time btwn invasion to onset of s/s
Prodromal period
Time btwn beginning of nonspecific s/s to specific s/s
stage during which the specific s/s are evident
Illness
when symptoms begin to fade to the return of full wellness
Convalescent period
Exanthem
a rash
Stages of Communicable Diseases
Invasion Incubation Prodromal Clinical s/s Convalescent
Incubation period of Roseola infantum
~10d
Causative agent of Roseola infantum
human herpesvirus 6
no vaccine available
Roseola infantum communicability
febrile period
Rubella (German Measles)
Causative agent
rebella virus
Rubella
Incubation
14-21d
Rubella
Communicable Pd
7d before - 5d after the appearance of the rash
Droplet Transmission
Rubella
Measles
Erythema Infectiosum
Scarlet fever (large droplets)
Rubella Transmission
Droplets
Vaccine Rubella
Live Virus
Measles Incubation
10-21d
Measles (Communicability)
5d of incubation - first few days of rash
Chicken Pox ( Varicella) Incubation
10-21d
Chix Pox (Varicella zoster virus) Communicable
1d before rash to 5-6d after its appearance when vesicles have crusted
Chix pox (Transmission)
highly contagious
direct/ indirect contact
Erythema Infectiosum (5th Disease) Causative agent
Parvovirus B19
No Immunity
Erythema Infectiosum (5th Disease) Incubation
6-14d
Poliomyelitis (Poliovirus)
Incubation
7-14d
Poliomyelitis (Poliovirus)
Transmission
direct & indirect contact
Poliomyelitis (Poliovirus)
Immunity
Lasting natural immunity (against 1 of 3 strains)
Live virus vaccine
Mumps virus (Communicable)
before & after onset of parotitis
Slapped cheek-1st rash/ erythema on face then maculopap. red rash on extremities
5th disease
