Contact transmission

Definition

Contact transmission is the spread of pathogens through direct or indirect physical contact between individuals or with contaminated objects. It includes direct person-to-person contact and indirect contact via fomites.

5 Must Know Facts For Your Next Test

1. Direct contact transmission involves physical interaction such as touching, kissing, or sexual intercourse.
2. Indirect contact transmission occurs when pathogens are transferred via inanimate objects known as fomites, like doorknobs, bedding, or medical equipment.
3. Hand hygiene is a critical measure to prevent contact transmission of infectious diseases.
4. Certain diseases like MRSA (Methicillin-resistant Staphylococcus aureus) and Norovirus are commonly spread through contact transmission.
5. The use of personal protective equipment (PPE) can significantly reduce the risk of contact transmission in healthcare settings.

Review Questions

Related terms

fomite:

An inanimate object that can transfer pathogens from one individual to another.

vector-borne transmission: Spread of disease through vectors such as mosquitoes or ticks.

droplet transmission:

Spread of pathogens via respiratory droplets expelled during coughing, sneezing, or talking.