. Wlich are diss vantages af live va:cines! oe than ane uiswes can be coerect..

Question

. Wlich are diss vantages af live va:cines! oe than ane uiswes can be coerect.. er all that cI mark) imrnunily recrires feuer shot d. they can mutate hock to the criginal straim For each answer you cirele as heing & divneutae of s Five ruring in quentice. 3, give a justilivauivo ss to why it is a dissivanlap justilivativo sa to why it is a disirantage (eleely idencify the "letter" irvn cstion thre: and its justificatian for beiny a Jissd anrage) (I bonus mars lioc esach corres jusnificzrien letter frun thee: and

Explanation / Answer

SOLUTION:

b) They can be transmitted to others

These vaccines are also not given to women during pregnancies. The female body suffers a weakening of the immune system during the pregnancy because of the various pressures exerted by the developing foetus. Moreover, there is a chance of the vaccine making its way into the unborn child where it could cause serious damage.

d) They can mutate hock to the original strain

The risk of reversion to a more virulent strain of the virus or bacteria being vaccinated against. While the strains of bacteria and viruses used in developing vaccines are carefully selected for characteristics that make them safe for human use, there is always the chance of a secondary mutation.

The initial virus population is applied to a foreign host. One or more of these will possess a mutation that enables it to infect the new host. These mutations will spread, as the mutations allow the virus to grow well in the new host; the result is a population that is significantly different from the initial population, and thus will not grow well in the original host.

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