Vaccine-preventable infection
Diphtheria
A bacterial infection whose toxin can damage the airway, heart and nerves.
Explore Diphtheria on the monitor · Reviewed 2026-10-06
How it spreads
Respiratory particles from infected people; some forms involve skin infection.
Symptoms and context
Sore throat, fever, swollen neck and sometimes a thick grey throat coating.
Prevention
Complete routine vaccination and recommended boosters; follow advice for close contacts.
When to seek advice
Difficulty breathing or swallowing, especially with throat swelling, requires urgent care.
On the desk
No reviewed event summary is currently listed for this category. Search its collected reporting.
Read the original guidance
This is general information. Current local health guidance and professional assessment take priority for individual decisions.