Pregnancy & Childhood Viral Infections Flashcards
(7 cards)
Describe Measles
- family Paramyxoviridae
- genus morbillivirus
(-)ssRNA, helical, enveloped - respiratory illness - high fever, cough, conjunctivitis, Koplik’s spots, maculopapular rash
- complications in 30%
What’s the incidence rate of severe complications in pneumonia, measles & encephalomyelitis ?
- pneumonia = 1/20 cases
- acute measles encephalitis = 1/1000 cases
- acute disseminated encephalomyelitis = 0.4/100,000 cases
Describe mumps
- family = Paramyxoviridae, genus= rubulavirus
(-)ssRNA, helical, enveloped - fever, headache, vomiting, muscle pain, swollen parotid glands
- meningitis 5-10%
Describe Rubella
- family = Togaviridae, genus = rubivirus
(+)ssRNA, icosahedral, enveloped - flu-like illness, morbiliform rash, low grade fever, joint pains, headache
- Forchheimer’s sign (red bumps)
What are some severe complications of rubella ?
- pneumonia
- meningitis
- ADEM
- congenital rubella syndrome
What does ADEM stand for?
Acute Disseminated Encephalomylitis
Describe Parvovirus B19
- family = Parvoviridae, genus= erythroparvovirus, species = primate erythroparvovirus 1
- ssDNA, icosahedral, non-enveloped
- papular purpic gloves & socks
- fifth disease (slap cheek)