Common viruses in primary care - week 7 PBL Flashcards
Difference between infection and disease?
Infection - invasion of the body by pathogens
disease - disorder with a specific cause with recognisable signs and symptoms
Examples of human herpes viruses?
Herpes Simplex (HSV) type 1 and 2
Cytomegalovirus
Varicella zoster virus (chicken pox and shingles)
Epstien Barr Virus
Human Herpes Virus 6, 6A, 7, 8
How long do you have human herpes viruses for?
For life, laying dormant
Can reactivate - shingles in VZV, pityriasis in HHV 6 and 7
What is viral exanthem?
Widespread rash accompanied with systemic symptoms
often from a virus
What virus causes ‘Slapped Cheek Syndrome?’
Parvovirus B-19
Children 6-10
What virus causes Hand foot and mouth disease?
Coxsackie A-16
What symptoms are associated with Rotavirus?
‘Stomach flu’. D and V
How can human papillomavirus typically present?
Warts
What is the latent period of a virus?
Virus is replicating but host is not infectious
What the infectious period of a virus?
host is infectious and ends the latent period
What is the incubation period?
time from exposure to symptoms
What is RSV?
respiratory syncytial virus
common in children
bronchiolitis
diagnosis: nasal swabs/nasoparyngeal aspirate
treatment: palivizumab (monoclonal antibody)/ ribavirin (antiviral treatment)
What is presentation of HIV?
Primary infection - systemically unwell, fever etc
Pathology of HIV?
decreased CD4 count
Treatment of HIV?
Antivirals (x3 types)
Emtricitabine
Doravirine
Atazanir
