Lymph $(nodes)$ glands form

Which one of the following is correctly matched?

The percentage of population suffering from serious mental illness is

Alteration of which genes leads to cancer?

During an allergic reaction, the binding of antigens to IgE antibodies initiates a response, in which chemicals cause the dilation of blood vessels and a host of other physiological changes. Such chemicals are

Biological name of insect (vector) carrying the plague