Infection !! Flashcards
Adenovirus
virus
non- enveloped
double stranded DNA
capsid (protein coat that protects genome)
5 day incubation
toxins rupture phagocytic membrane
Neisseria meningitidis
meningitis
gram -ve
diplococcus
polysaccharide capsule
pili
2-10 day incubation period
treatment- ceftriaxone
rifampicin to family as prophylactic
Malaria
plasmodium vivax
plasmodium falciparum
plasmodium ovale
plasmodium malariae
anopheles mosquito
treatment
- p. falciparum—- quinine/ artemisinin
- p. vivax, p. ovale, p. malariae—— chloroquine +/- primaquine
salmonella enterica serovar
enteric fever (typhoid and paratyphoid)
rod flagellated aerobic gram -ve enterobacteriaceae
Treat– ceftriaxone/ azithromycin ( 7-14 days)
salmonella typhirium/ salmonella enteriditis
gastroenteritis/ food poisoning.
legionnaires disease (pneumonia)
leigionella pneumophila serogroup 1
gram negative bacteria rod facultative intracellular parasite aerobe found in soils and water systems
HIV
retroviridae lentivirus (enveloped virus, replicates in a host cell using reverse transcriptase) ( long incubation period)
single stranded RNA
2 types: HIV 1, HIV2
binds to CD4
Treat with HAART (combination of 3 drugs)
Hep B
hepatitis B virus
hepadnaviridae
DNA
Double Stranded
Enveloped
genotypes A-D
45- 120 day incubation
treatment- -interferon alpha/ tenofovir
Hep C
Hepatitis C virus
flavivirus (enveloped, single stranded RNA virus that causes human disease)
single stranded
RNA virus
6 genotypes
treat- combination of drugs (interferon gamma)
streptococcus viridans
endocarditis
bacteria
gram +ve
cocci
treat– high dose IV penicillin + gentimicin
varicella zoster
herpes virus chicken pox double stranded DNA enveloped
staphylococcus aureus
gram +ve cocci (bunches usually) facultative anaerobe bacteria
virulence factors
