Which Of The Following Is A Basic Type Of Vaccine?

(Correct Answer Below)

Which Of The Following Is A Basic Type Of Vaccine?

Select all that apply. - subunit vaccine - antitoxin vaccines - live, attenuated vaccine - nucleic acid vaccines
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- subunit vaccine - live, attenuated vaccine - nucleic acid vaccines As technology increases our understanding of the immune response, more efficient vaccines are being developed. Live attenuated vaccines use weakened pathogens to stimulate an immune response. This type of vaccine more closely resembles a true infection. Inactivated killed vaccines use microbes that have been killed, thus making them considerably safer than live vaccines. Subunit vaccines use antigenic pieces from the microorganisms to stimulate an immune response. These vaccines are created using recombinant DNA technology. Conjugated vaccines use proteins combined to polysaccharide fragments of the pathogen to stimulate the immune response. The proteins are necessary for a response because without them, the polysaccharides (usually capsules) are not immunogenic and will not result in an immune response. DNA vaccines are still relatively new and are based on plasmids injected into the individual. The DNA is then transcribed and translated to produce antigenic proteins from the pathogen. This technique is effective because it stimulates both humoral and cellular immunity.
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