Question

dirence of noninfectious and infectious

Answer 1

Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all —infectious diseases spread directly from one person to another. ... Contagious diseases (such as the flu, colds, or strep throat) spread from person to person in several ways.

Answer 2

$infectious \: - \: the \: disease \: which \: \\ infect \: us \: by \: coming \: in \: the \: contact \\ of \: a \: infected \: person \\ for \: example - fever \\ \\ non \: infectious - \: which \: do \: not \: infect \\ us \: by \: coming \: in \: the \: contact \: of \: an \: \\ infected \: person \: \\ for \: example - cancer$