vaccinations Flashcards
live attenuated vaccines
derived from bacteria, weakened in lab stimulates ACTIVE immunity one dose CI in pregnancy and immunosuppressed pts MMR, varicella, zoster yellow fever, rotavirus, influenza BCG, OPV (not in US)
inactivated vaccine
produced by growing bacteria or virus in culture media
inactivated with heat or chemicals
stimulates ACTIVE immunity, can’t cause disease
BOOSTER dose needed to activate B cells
OK to give in pregnancy
WHOLE-Polio, Hep A, Rabies
FRACTIONAL-Hep B, influenza, acellular pertussis
T-D, Tetanus
Toxoid vaccines
Fractional vaccine made from formalin-inactivated toxin
DIPTHERIA-toxin converted to toxoid and absorbed onto aluminum salt
TETANUS - formaldehyde treated toxin, absorbed on aluminum salt, fluid toxoid
Polysaccharide Vaccines
inc
Unique type of inactivated subunit of vaccine
long chains of sugar molecules,
surface capsule of bacteria
PNEUMOCOCCAL, MENINGOCOCCAL, Typhoid
Vaccine stimulates B cells
more success in adults than kids, immature immune system
conjugated polysaccharide vaccines
chemically combined with protein molecule makes it T cell dependent, increased immunogenecity in infants HIB pneumococcal meningococcal
Recombinant vaccines
produced by genetic engineering
Hep B - insertion of segment of viral gene into yeast cell
produces Hep B surface antigen
Live Typhoid vaccine (ty21a) - bacteria modified to not cause illness
Immune globulines
Not vaccines preformed antibodies PASSIVE immunity treatment, not prophylaxis, administered after exposure to disease Hep B immune globulin (HBIG),Varicella Zoster (VZIG), rabies, RSV, Rhogam, tetanus, diptheria
standard US vaccines
Hep A and B, diptheria, tetanus, pertussis, HIB, polio, rotavirus, MMR, varicella-zoster virus,
pneumococcus, flu, mengococcus,
HPV
recombinant influenza, safe in egg allergic
yes, no egg in this type of flu shot
varicella CI
severe immunodeficiency, pregnancy
zoster CI
severe immunodef, pregnancy, antivirals within the last 24 h, no antivirals for 14 days after this vaccine
immunosuppressive steroid dose
20 mg of prednisone, >2 weeks. Defer administration 1 month.
reactivity between measles vac and PPD
measles and PPD on same day is OK, otherwise wait a month. Can do it sooner with understanding it may influence reactivity.
Neomycin anaphylactic rxn hx, which vaccines are CI
IPV, MMR, varicella CI
Streptomycin, polymyxin B, neomycin, which vaccines are CI
IPV, vaccinia (small pox) CI
Bakers yeast anaphylactic rxn hx, with vaccines are CI?
Hepatitis B CI
Gelatin, neomycin anaphylactic rxn hx, with vaccines are CI?
Varicella zoster CI
Gelatin anaphylactic rxn hx, with vaccines are CI?
MMR CI
Manifestation of anaphylaxis
Urticaria Upper airway edema dyspnea and wheezing hypotension headache ith without rash angioedema Flush dizziness and syncope GI symptoms substernal pain seizure
tx of anaphylaxis
SC or IM epinephrine
administer antihistamine (like diphenhydramin)
repeat epi in 5 minutes if symptoms persist or increase
repeat antihistamine (+/- H2 blocker)
may also need, IV fluids, vasopressor, corticosteroids, airway maintenance,
Observe, may have biphasic or protracted response
pneumococcal vaccine adverse rxn
local rxn - 30-50%
fever myalgia - 11-40% in kids=Prevnar 13 conjugate, uncommon with polysaccharide=pneumovax 23
severe/life threatening=rare