One way the body fights invaders is by increasing the body temperature or running a fever. give a brief explanation as to why that defensive technique works against some viruses or bacteria.

An increase in body temperature has been known since ancient times to be associated with infection and inflammation and elevated body temperature changes the T-cells' membranes which may help mediate the effects of micro-environmental temperature on cell function

Some of the species of bacteria do not possess the tendency to work adequately and replicate in the conditions of fever, that is, high temperatures. Thus, the high-temperature condition minimizes the rate of bacterial infections in the body. The majority of the research has also demonstrated that the temporal elevation in the body temperature, at the time of fever, enhances the activity of the cytotoxic T-cells, which plays a substantial role in fighting against the infection.  

the eggs of the insects should be the first thing collected at the scene.

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