Canada

Before vaccines, diphtheria used to kill hundreds each year. Now it’s back in Australia – The Conversation

  1. Before vaccines, diphtheria used to kill hundreds each year. Now it’s back in Australia  The Conversation
  2. Diphtheria case numbers already double that of 2025  Medical Republic
  3. Diphtheria Outbreak In Australia, First In Almost 50 Years: Symptoms, Prevention And Treatment  NDTV