What are the 6 types of disease transmission?
Modes of transmission
- Direct. Direct contact. Droplet spread.
- Indirect. Airborne. Vehicleborne. Vectorborne (mechanical or biologic)
What are the 5 ways that disease is transmitted?
Five common ways germs are spread:
- Nose, mouth, or eyes to hands to others: Germs can spread to the hands by sneezing, coughing, or rubbing the eyes and then can be transferred to other family members or friends.
- Hands to food:
- Food to hands to food:
- Infected child to hands to other children:
- Animals to people:
What are 3 ways diseases can be transmitted?
Germs can spread from person to person through:
- the air as droplets or aerosol particles.
- faecal-oral spread.
- blood or other body fluids.
- skin or mucous membrane contact.
- sexual contact.
How is infection transmitted?
Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another. This can happen when an individual with the bacterium or virus touches, kisses, or coughs or sneezes on someone who isn’t infected.
What is methods of transmission?
A method of transmission is the movement or the transmission of pathogens from a reservoir to a susceptible host. Once a pathogen has exited the reservoir, it needs a mode of transmission to the host through a portal of entry. Transmission can be by direct or indirect contact or through airborne transmission.
Can urine transmit diseases?
There are relatively few diseases that are transmitted by urine compared with the myriad of diseases caused by the faecal route. Two well-known diseases that can be spread through urine include typhoid (the likely source of the Croydon Typhoid epidemic in the thirties) and urinary schistosomiasis.
How are communicable diseases transmitted?
A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids; breathing in an airborne virus; or by being bitten by an insect.
Why is proper disposal of human excreta an Environmental Health Service?
3. Proper disposal of human excreta is a fundamental environmental health service. The fecal-borne diseases are transmitted to a new host through various channels such as water, fingers, flies, soil and food. Some methods are applicable to unsewered areas and some to sewered areas.
What are the effects of poor excreta disposal?
2. Improper excreta disposal causes soil pollution, water pollution, contamination of foods and propagation of flies. The resulting diseases are typhoid and paratyphoid fever, dysenteries, diarrheas, cholera, hookworm disease, viral hepatitis and similar other intestinal infections.
What are the methods of excreta disposal?
Methods of Excreta Disposal: 1 Unsewered Areas:#N#ADVERTISEMENTS:#N#(i) Service type:#N#Night soil is collected from pail by human agency and later… 2 Sewered Areas: More
What are the diseases caused by poor waste management?
The resulting diseases are typhoid and paratyphoid fever, dysenteries, diarrheas, cholera, hookworm disease, viral hepatitis and similar other intestinal infections. 3. Proper disposal of human excreta is a fundamental environmental health service.