ANSWER :
Different ways of infection spread :
a)Airborne :
- When a person coughs or sneezes droplets from nose and throat
infect the other person directly( direct inhalation) or indirectly(
through fomites)
- Examples : Pneumococcal pneumonia , Hemophilus influenza type b
, TB etc
Prevention :
- Maintain social or physical distancing
- Wearing mouth masks when sick
- Maintaining hygiene of hand by frequent hand washing
- Self isolation or quarantine when having the symptoms
- Don't touch your face with unhygienic hands
- Wearing PPE kit when providing care infected people
b)Feco- oral route :
- Microscopic amount of feces of infected person can spread the
infection
- Hands , food, water or other objects soiled with feces when
comes in contact to mouth can cause infection
- Examples : Hepatitis A ,Giardiasis etc.
Prevention :
- Environmental sanitary measures : proper excreta disposal
- Proper hand washing and maintaing water and food hygiene
c)Food and water borne diseases :
- Infection spread through food and water contaminated with the
pathogen or toxins
- Examples : Salmonella , cholera etc
Prevention :
- Maintain good personal hygiene
- Drink properly treated water
- Wash raw vegetables properly and cook meat well in clean
utensils
- Environmental sanitation
d)Blood or body fluids :
- When blood or body fluids of infected persons come in contact
with mucous membranes or bloodstream or open woubds of another
person can spread the infection
- Examples : HIV ,Hepatitis B and C etc
Prevention :
- Avoid contact with blood and body fluids
- Cover any open wounds or cuts on skin
- Use gloves , gowns and masks when providing care to infected
persons
- Hand washing after providing care to infected person
e)Sexually transmitted infections :
- Genital to genital , oral to genital , oral or genital to
rectal
- Examples : Gonorrhoea , HIV ,Syphilis
Prevention :
- Safe sex : using condoms
- Avoid sharing undergarments and towels
- Maintain proper hygiene of genitals after intercourse
- Hepatitis B vaccination