Viruses Flashcards
subunit of the protein (capsid) or a virus particle
capsomere
ssRNA
infects plants
smaller than a virus
viroid
classified by DNA or RNA
contains one or other, not both
virus
viruses m/c transmitted by the
respiratory system
vector - mosquitoes
arboviruses/arthropod borne virus
vector - sexual transmission, IV drugs
AIDS
vector - oral fecal
polio
vector - bite from infected animal
rabies
vector - skin contact/casual contact
warts
Hepatitis: oral fecal
A
Hepatitis: sexual transmission , IV drugs
B
Hepatitis: transfusion, tattooing
C
skin reactions:
type 1 - fever blisters above belt
type 2- genital below the belt
herpes simplex
skin reactions: shingles in adults does not cross midline in DRG follows dermatome
herpes zoster
skin reactions:
pink cauliflower lesion on female genitalia
molluscum contagiosum
skin reactions:
warts
transmitted by casual contact
papovavirus
skin reactions:
german measles
3 day measles
persistent (latent)
rubella
skin reactions: red measles ruby red kloplik spots cough, coryza (runny nose) conjunctivitis
rubeola
skin reactions:
cow pox
vaccinia
skin reactions:
maculopapularvesicular rash
red, elevated and fluid filled
varicella (chicken pox)
skin reactions:
small pox
guarneri bodies
variola
enteric reactions:
childhood dysentery
hand food mouth dz
coxsackie
enteric reactions:
skin rash and heart dz
echovirus
enteric reactions:
spread by rodents, including chipmunks
hantavirus
enteric reactions:
spread by oral fecal contamination
anterior horn (alpha motor)
bulbar types cause respiratory paralysis
polio
respiratory reactions:
conjunctivitis, pharyngitis
adenovirus
respiratory reactions: has antigenic shift and or drift small mutation - drift big mutation - shift causes the flu
influenza
respiratory reactions:
caused by sidomegalic paramyxoid virus
pleomorphic (many shapes)
causes parotiditis, leads to lower motor neuron dz (bells palsy)
mumps
respiratory reactions:
respiratory syncytial virus
causes croup and bronchiolitis
RSV
other:
latent/persistent
birth defects
disseminated dz in AIDS pt’s
CMV (cytomegalovirus)
other:
bullet shaped under electron microscope
RNA, rhabdo virus
negri bodies in brain, hydrophobia
rabies
other:
negative reaction to aspirin taken for viral infection
causes fatty liver and encephalopathy
fatal
reyes syndrome
other:
caused by retro virus (HIV) reverse transcriptase RNA -> DNA
AIDS
AIDS: #1 fungal infection #1 cause of dath
Pneumocystis carinii
AIDS:
#1 parasitic infection
spread by cat feces
Toxoplasmosis
AIDS: #1 death by cancer
kaposi sarcoma
AIDS:
causes mucousy diarrhea
also, protozoal infection
Giardia lamblia
Hepatitis type: fecal oral NOT carrier for life NO sequelae RNA
Hep A
Hepatitis type: sexual, IV drug user CARRIER FOR LIFE sequelae - liver cancer DNA asian culture, japanese
Hep B
Hepatitis type: tattoos, blood transfusions CARRIER FOR LIFE sequelae - liver cancer RNA screen blood
Hep C
Hepatitis type: co infection with B CARRIER FOR LIFE sequelae - liver cancer RNA only replicates in presence of B
Hep D
Arboviruses:
all equine encephalitis
group A
all spread by mosquitos
Arboviruses:
fever’s
group B
Arboviruses:
jaundice
vector - aides agypti mosquito
viscerotropic virus
group B
yellow fever
Arboviruses:
arthralgia
develop breakbone fever and bone crusher dz
vector - mosquito
group B
dengue fever
Arboviruses:
eastern equine encephalitis
group A
west nile virus
Arboviruses:
what are the 5 major ones (DEWYS)
eastern equine encephalitis western equine encephalitis st. louis encephalitis yellow fever dengue fever
