How does a stethoscope work?

The stethoscope is an acoustic device that amplifies body noise to achieve its best perception and therefore the integration of various signs, which are mainly auscultated in the heart,

Typhoid fever: traveler’s diarrhea

Typhoid fever is a life-threatening infection caused by Salmonella typhi bacteria. In general it spreads through contaminated food or water, this germ being identified through microbiological cultures.