What plays an important role in primary and secondary response?

  • A
    $B$-lymphocytes
  • B
    $T$-lymphocytes
  • C
    Both $B$-lymphocytes and $T$-lymphocytes
  • D
    None of these

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$T-$lymphocytes mature in

Which of the following requires the injection of preformed antibodies or antitoxins into the body to provide immunity?

$A$ - The vaccines generate memory $B$ and $T$ cells. $R$ - In vaccination,activated pathogens are introduced into the body.

Identify the correct statement.

Provide the full forms of the following:
$1.$ $\text{CMI}$
$2.$ $\text{MALT}$
$3.$ $\text{AIDS}$

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