diphtheria
B2Pronunciation
UK
- /dɪfθˈiərɪə/
US
- /dɪfˈθɪriɑ/
Description
- Serious bacterial infection
- Gray throat membrane
- Preventable by vaccine
Imagine a time before widespread vaccination. A frightening illness called diphtheria was a major threat, especially to children. It's a severe infection of the nose and throat caused by a bacterium that can create a thick gray membrane, making it hard to breathe or swallow. Think of it like a suffocating coating inside your throat—terrifying!
The name "diphtheria" comes from the Greek word for "leather," describing the tough membrane the infection creates. While rare today thanks to vaccines, diphtheria still exists in some parts of the world and is incredibly dangerous if left untreated. It's spread through respiratory droplets—often from coughing or sneezing—making good hygiene and immunization crucial. If you hear about a diphtheria outbreak, it's a serious public health concern requiring immediate attention.
Diphtheria is a potentially life-threatening bacterial infection that primarily affects the mucous membranes of the nose and throat. It's caused by the bacterium Corynebacterium diphtheriae and spreads through close contact with an infected person, usually via respiratory droplets produced by coughing or sneezing.
Historically, diphtheria was a major cause of childhood mortality. The hallmark symptom is a thick, gray membrane covering the back of the throat, which can obstruct breathing and swallowing. The danger isn't only the membrane. The bacteria can also produce a toxin that damages tissues throughout the body, potentially leading to heart problems, paralysis, and even death.
Thankfully, diphtheria is now largely preventable thanks to widespread vaccination—typically as part of the DTaP (diphtheria, tetanus, and pertussis) vaccine given in childhood. Booster shots are recommended throughout adulthood to maintain immunity.
While rare in developed countries with high vaccination rates, diphtheria still occurs in some parts of Africa, Asia, and South America. Outbreaks can occur when vaccination coverage declines or during humanitarian crises. Because it's highly contagious, prompt diagnosis and treatment with antibiotics and antitoxin are crucial for preventing serious complications and further spread.
So, while it is a word steeped in medical history, diphtheria serves as a powerful reminder of the importance of public health initiatives like vaccination in protecting us from dangerous infectious diseases.
Examples
- 1
Medical diagnosis
Doctors confirmed that it was a case of diphtheria.
Pattern
a case of + disease
one person having that disease
- 2
Vaccination
The vaccine protects children against diphtheria.
- 3
Disease outbreaks
Before mass vaccination, diphtheria outbreaks were common in many cities.
Forms and spellings
1 form open this card.
Main spelling
- diphtherianoun