Microbiology Flashcards
What type of virus is rubella?
RNA, single stranded
What % of women develop an antibody response to HPV infection?
50%
What type of virus is herpes simplex?
DNA, double stranded
Rubella incubation period
12-23 days
What kind of virus is rotavirus?
RNA, double stranded
HIV prevalence in UK obstetric population
2 in 1,000
First line treatment of listeria in pregnancy?
Amoxicillin
What kind of virus is parvovirus B19?
ssDNA
What kind of vaccine is BCG?
Live attenuated
Congenital CMV incidence
1 : 150
Management of chlamydia in pregnancy
Erythromycin
Amox
Azithro
Management of chlamydia (non pregnant)
Advice to non rubella immune women in pregnancy
Vaccinate after birth
Vaccine safe in breast feeding but not in pregnancy (live vaccine)
What type of vaccine is varicella?
Live attenuated
Most common causative organism of cellulitis
Streptocoque pyogènes
Scarlet Fever causative organism
Streptococcus Pyogenes
Most common microbial cause of type 2 necrotising fasciitis
Group A Strep
Strep pyogenes
Type 1 nec fasc = polymicrobial
Type 2 nec fasc = monomicrobial
Management of toxoplasmosis gondii
Spiromycin (if foetal infection status unknown)
Pyrimethamine / sulfadiazine / folinic acid if foetus infected
What kind of vaccine is flu
Inactivated
What % of HPV infections are cleared by host
70% within 1yr
90% within 2yr
When during pregnancy is risk of MTCT of toxoplasma gondii highest
> 26/40
CMV incubation period
3 - 12 weeks
Scarlet fever incubation period
1-7 days
Microscopy of genital swab reveals sulphur granules… what is the causative organism?
Actinomyces israeli
What type of vaccine is pertussis?
Inactivated
Most common bacterial cause of diarrhoea in UK
Campylobacter
(gram -ve rod)
Scarlet fever causative organism
Group A strep
Most common = strep pyogenes
Chancroid causative organism
Haemophilus ducreyi