infectious diseases and its effects on body

COMMON INFECTIOUS DISEASES:

BACTERIAL DISEASES :

TYPHOID:

-Caused by bacterium Salmonella typhi. 

-Salmonella typhi enters the small intestine through food and water contaminated with them and migrates to other organs through blood. 

-intestinal perforation and death occur in severe cases. 

- symptoms are high fever(39-40 c), weakness, stomach pain, constipation, headache and loss of appetite. 

-WIDAL TEST is a confirmation test for typhoid. 

PNEUMONIA :

-it is caused by STREPTOCOCCUS PNEUMONIAE and HAEMOPHILUS INFLUENZAE. 

-These bacteria infect alveoli of the lungs. THE ALVEOLI get filled with fluid causing decrease in respiratory efficiency of the lungs. 

-pneumonia spread by inhaling droplets/aerosol from infected individuals or even by sharing glasses and utensils with patients. 

-in severe cases, the lips and finger nais may turn gray to bluish in color.