Route of Transmission of HAIs
1. Contact route
Hands, dressing, fomites, comb
2. Air borne route
Droplet
Dust
Aerosols
Respiratory tack pathogen
3. Oral route
Prepared unhygienic food in hospital
4. Body fluids
Saliva
Semen
Vaginal secretion
5. Parenteral routes
Accidentally injury from sharp instruments, needle stick injury
Contaminated infusion fluid
Transmission of infection by blood transfusion.
For example; HIV, Hepatitis B
Contaminated blood products
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