Gujarat BoardEnglish MediumSTD 9ScienceWhy Do we Fall Ill1 Mark
Question
___________ vaccine gives considerable protection against tuberculosis.
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Answer
BCG vaccine gives considerable protection against tuberculosis. Explanation: $T$-cells are targeted as the $AIDS$ parasitizes the $CD4+$ molecules on their surface. Our body fights back the $HIV$ infections producing another $2$ billion cells to replace the infected ones stabilizing the $T$-cells count temporarily. Yet from day one, the $T$-cells fight a losing battle. Although $HIV$ target $T$-cells and other cells in the body, HIV thrives mainly in the lymph nodes and the other immune parts of our body.
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