Question

From the following identify the correct statements regarding vaccines.

1. Naked DNA vaccines, viral vector vaccines, and plant-derived vaccines are found to be roost effective against a number of bacterial and viral disorders.
2. Vaccine is often made from a weakened or killed form of the microorganism, its toxins or one of its surface protein antigens.
3. A vaccine consists of a biological agent that represents the disease causing microorganis1n.

Options

• i and ii

• ii and iii

• i and iii

• i, ii, and iii

Answer 1

i, ii, and iii