indirect transmission
Học thuậtThân thiện
A person touches a contaminated doorknob, leading to indirect transmission of germs.
Definition
Noun: A mode of disease transmission where the infectious agent is not transferred directly from an infected person to a susceptible host. Instead, the pathogen is conveyed via an intermediate object or living carrier.
Examples of Usage
- The flu virus can sometimes spread through indirect transmission when a person touches a contaminated doorknob.
- Public health officials emphasized handwashing to prevent the indirect transmission of bacteria.
- Malaria is a classic example of indirect transmission via a mosquito vector.
Advanced Usage
- In epidemiological studies: The term is used to categorize and analyze infection pathways, contrasting with direct transmission (e.g., coughing, touching). For example: "The study concluded that indirect transmission via contaminated surfaces played a minor role in the outbreak."
Variants and Related Words
- Indirectly (adverb): In an indirect manner.
- The disease was spread indirectly through the water supply.
- Transmission (noun): The act or process of spreading or passing something.
- The transmission of knowledge is a teacher's goal.
Different Meanings
This term is highly specific to medicine and epidemiology. It does not have common alternative meanings in general English.
Synonyms
- Vehicle-borne transmission
- Vector-borne transmission (a specific subtype)
- Fomite transmission (a specific subtype)
Related Phrases
- Chain of infection: The series of steps needed for an infection to spread, which includes the mode of transmission.
- Fomite transmission: A type of indirect transmission involving inanimate objects (e.g., utensils, bedding).
- Vector-borne transmission: A type of indirect transmission involving a living organism (e.g., mosquitoes, ticks).
A person touches a contaminated doorknob, leading to indirect transmission of germs.
Noun
- a transmission mechanism in which the infectious agent is transferred to the person by a fomite of vector