Fouty- Vaccines Flashcards
2 contributions that decreased infection rate worldwide
clean drinking water
vaccines
taking a part of small pox vesicle and innoculating another person to have milder infection and develop antibodies
Variolation
_____ was developed to try to decrease prevalence of small pox
Variolation
people were inoculated w/ ______ that produced a mild vesicular disease and recovered quickly and protected against small pox
cow pox
in 1800-1900, smallpox vaccine changed from cowpox to ______ virus
vaccinia
in 1980, what was eradicated
smallpox
SQ injections containing minced dessicated _____-infected rabbit spinal cords to patient bitten by _____-infected dog
rabies
in 1891, ____ outbreak in berlin “the strangling angel of children”
Diphtheria
Toxin from the bacteria that causes widespread multi organ failure; toxin inhibits protein synthesis
toxin from Corynebacterium diphtjeriae
in 1880s, serum from animal given ____–inactivated diphtheria toxin protected an unimmunized animal that was given virulent toxin
heat-inactivated
In 1891 Emil von Behring used animal immune serum to treat a child with _____
diphtheria
inactivated (dead) virus used to treat this
rabies
passive immunization (antibody therapy) used to treat this
diphtheria
the individual receives protective (neutralizing) antibodies from other sources
passive immunity
natural method of passive immunity
maternal antibodies
____ immunity is time dependent
passive
4 different types of products for passive immunity to infectious diseases/toxins
IVIG
hyperimmunoglobulins
animal-derived immunoglobulins
monoclonal Ab’s
the individual develops their own immune response against a pathogen due to either infection or vaccination
active immunity
____ work by inducing cells and molecules to rapidly control pathogens or inactivate toxins
vaccines
initiation of vaccine response:
antigen/adjuvant stimulates innate immune response; DC’s link innate to adaptive
APC’s that present antigen by MHC-I interact with what cell
CD8 T cell
APC’s that present antigen by MHC-II interact with what cell
CD4 T cell
CD4 (Th1) cell drives what response
adaptive immune response by CD8 T cells
CD4 (Th2) cell drives what response
humoral immune response (production of antibodies)
_____ are the key for most vaccines or infection
antibodies
_____ antigen exposure gives you higher titer volume and specific antibodies
booster antigen exposure
____ are critical to the induction of high affinity antibodies and immune memory
T cells
Neutralizing viral replication by blocking cell adhesion and entry
Binding to enzymatic active sites or preventing diffusion of toxins
Promoting opsonization/phagocytosis of bacteria
Activating complement
how antibodies prevent/reduce infection
3 main classics for vaccines
killed
live attenuated
toxoid
vaccine that caused smallpox to be eradicated
live attenuated vaccine
nasal spray for influenza A is what kind of vaccine
live-attenuated
small pox
MMR
MCG
Varicella
live attenuated vaccines
how is the virus in killed viral vaccines inactivated
formaldehyde