450 SANITATION 



weaken them, and then to introduce the weakened germs into the 

 body. The body develops germicides that kill not only the weakened 

 germs, but also those that come from an infection. The first thing for 

 us to do, if we have received a wound from a suspected animal, is to go 

 at once to a physician to have the wound disinfected. The suspected 

 animal ought not to be killed, but captured, and confined for about 10 

 days. If it remains well, it cannot have the rabies, and cannot give the 



SCARLET FEVER 



HERE 



All Persons Are Hereby Warned 

 NOT To Remove This Placard 



UNDER PENALTY OF THE LAW 



Fig. 311. 

 Quarantines should be respected. 



disease. If all dogs could be muzzled for a few years, there would 

 probably be no more hydrophobia, for one dog could not infect another. 

 So-called madstones are of no use in curing the disease. 



437. Quarantine. Quarantine (Fig. 311) is the isola- 

 tion, or setting apart, of a person having an infectious 

 disease, so that the disease may not spread to the com- 

 munity. Quarantine is also used in the case of goods, 

 plants, cattle, etc., if they are suspected of infection. In 

 the case of a ship coming to our ports, quarantine is the 



