5 Questions
Where do N. meningitidis bacteria typically reside in humans?
Back of the nose and throat
What fraction of people carry N. meningitidis bacteria in their throat without getting sick?
1 in 10
How do people primarily spread meningococcal bacteria?
Sharing respiratory and throat secretions
Which of the following situations can lead to the spread of meningococcal bacteria?
Kissing
What type of contact is generally required to spread meningococcal bacteria?
Close or lengthy contact
Study Notes
Causes and Spread of Meningococcal Infection
- N. meningitidis bacteria can colonize the back of the nose and throat, where they can exist without causing illness in about 1 in 10 people.
- In some cases, the bacteria can migrate to other parts of the body, leading to infection.
- Meningococcal bacteria are transmitted to others through the sharing of respiratory and throat secretions, such as saliva or spit.
- Close or lengthy contact is typically required for the bacteria to spread, examples of which include:
- Kissing (close contact)
- Living together (lengthy contact)
Learn how N. meningitidis bacteria colonize and spread, and the conditions required for transmission. Understand the risks and mechanisms of meningococcal infection.
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