Grade 9 recap quiz 2

Flies were once thought responsible for the spread of ___________.

A drug called ____ has shortened bed stay and lessened the severity of typhoid fever.

It is the most severe and dangerous of all food poisoning.

(a)  

Symptoms of ____ do not begin for five or six days; then severe diarrhea begins.

Isolating individuals to stop the spread of a disease is called (a)   .

Persons who have a disease but do not show the usual symptoms are called ____________.

Many types of pneumonia have been isolated, but the common kind is _____ pneumonia.

The bacteria that cause lobar pneumonia is the _____________.

It can cause disease in bones, lungs, and the throat.

_________ is an ancient disease, but only within the last thirty years or so.