DNA NON-enveloped viruses - Verma Flashcards
pharyngitis, common cold, pneumonia, and conjunctivitis are all caused by what family of virus?
Adenovirus
Pharygno-conjunctival fever is what number of adenovirus?
adenovirus 3 and 7
Pneumonias and common cold- all ages
conjunctivitis (pink eye)-all ages
Acute respiratory disease (types 4 and 7)-all ages
Kerato-conjunctivitis (types 8, 19 and 37)-adults
Acute gastroenteritis (types 40 and 41)-infants and young children
these are all caused by:
adenovirus
what cells does adenovirus infect?
epithelial cells lining oropharynx, resp and GI tract
Does the adenovirus infection itself or host defenses cause cytotoxic damage?
virus itself
what is the mode of transmission of adenovirus?
aerosol, close contact or fecal oral
(blank) from the host is important in resolving the infection
abs
(blank) spreads adenoviral spread (CDC campaigns for it all the time)
hand washing
Is there antiviral therapy for adenovirus?
no, or we would have the cure for the common cold
How do you Dx adenovirus?
culturing, serology for Ag, and PCR
If you have a negative strep, cervical adenopathy, conjunctivitis, and sore throat, what do you suspect?
adenovirus
Papillomas are benign tumors of (blank) cells
squamous
HPV types (blank and blankk) cause carcinoma of cervix, penis, and anus
16 and 18
what two proteins from HPV are the cause of cancer?
E7 and E6
What two tumor suppressor genes are inactivated by E6/7 in HPV?
p53 and pRB
Skin and plantar warts are caused by what numbers of HPV?
1-4
Anogenital warts (not cancer) are caused by what numbers of HPV?
6 and 11
Laryngeal papilloma in young children is an HPV infection presenting as:
benign head and neck tumors
T/F: HPV is easily inactivated
false
What is the scary easy way that HPV can be spread? And the other ways?
BREAKS IN THE SKIN; sex, vertically
what is the most common STI in the world?
HPV
HPV is present in what percent of all cervical cancer?
99.7%
Which strains of HPV are high risk?
16, 18, 31, 45
Which strains of HPV are low risk?
6 and 11