Childhood vaccinations Flashcards
B19 virus - give details of the virus.. virus Transmission Infectivity Incubation
- Parovirus - slapped cheek syndrome
- incubation - 4-14 days
- droplets, mother to child
- asymptomatic
- infectivity - low (once have rash you are no longer infectious)
- miscarriage in pregnancy, hydrous, anaemia
Rubella - give details of the virus.. virus Transmission Infectivity Incubation
Togavirus, RNA
Airborne - less contagious
14-21 days incubation
Infectivity 1 week before rash to 4 days after
Rotavirus - main clinical features
- Reovirus (RNA)
_ feacal oral tranmission - Low infective dose
Diagnosis/treatment of rubella
- MMR vaccine
- Serology IgG/IgM (implications for pregnancy)
- PCR
Respiratory syncytial virus (RSV) name the main features
- pneumovirus
- bronchiolitis - under 1 yr olds (0-24 months); winter epidemics, incubation = 4-6 days
- diagnosis - PCR on secretions from nasopharyngeal aspirate
Treatment - O2, manage fever and fluid intake
What type of immunity is IgM associated with?
acute infection - used to check presence of virus NOW
What virus’s cause a rash?
Parvovirus Measles Chicken pox Rubella Non-polioenterovirus EBV (glandular fever)
Clinical features of chicken pox
- Fever, malaise, anorexia
- Rash - macular > papular > vesicular > pustular
What diseases are notifiable?
Acute meningitis Acute Poliomyelitis Measles Mumps Rubella Small pox
What are the clinical features of rotavirus?
- D&V
How is rotavirus diagnosis, treated and prevented
- PCR
- Rehydration
- Live vaccine - given at 2-3 months
Parainfluenza/influenza - main features
4 types - 1 in winter, 3 in summer
- transmission - person to person, inhalation
- clinical features - crop, bronchiolitis, upper respiratory tract infection
- parafluenza - not treatable, influenza = treatable
Measles - give details of the virus.. virus Transmission Infectivity Incubation
- Paramyxovirus
- RNA virus (enveloped)
- Person to person, droplets (VERY INFECTIOUS)
- 4 days before rash and 4 days after
- incubation = 7-18 days (10-12 days)
- Human disease (possible to eradicate)
Clinical Features of mumps
Prodrome - non specific ( fever, malaise etc)
24hrs - ear ache and swelling of ipsilateral parotid
24hrs-3 days - parotid enlargement with severe pain (bilateral/ipsilateral), pyrexia up to 40 degrees!
- resolution - after peak swelling - resolves and parotid glands return to normal size within a week
What are the clinical features of Metapneumovirus
paramyxovirus
- causes illness sillier to RSV
Diagnosis = PCR
Treatment = supportative