Explainer | Strep throat – all you need to know about the contagious, sometimes deadly infection, and how to avoid it

  • Is your throat sore? Is swallowing painful? Have you got a fever? You may have an infection caused by group A Streptococcus bacteria
  • You can catch it by breathing in droplets, touching an infected surface, or sharing food or drink with an infected person

Strep throat causes sore throat, fever and pain when swallowing, and sometimes a rash and nausea. The bacterial infection is usually mild, but can be fatal. Photo: Shutterstock

Changes in air temperature mean it’s the season of sore throats. But not all sore throats are made equal – some are caused by viruses; others by bacteria.

Strep throat (streptococcal pharyngitis) is an illness which, while usually mild, can be painful – and sometimes deadly. The United Kingdom early this month reported the deaths of six children from a rare invasive Group A strep illness.

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