- The CDC stopped tracking most COVID-19 cases in vaccinated people. That makes it hard to know how dangerous Delta really is. Business Insider Australia
- Delta strain outbreak: Your key questions answered Daily Telegraph
- What's the 'Delta plus' variant? And can it escape vaccines? An expert explains The Conversation AU
- J&J says its single-shot vaccine is strong against Delta strain The New Daily
- Coronavirus symptoms changing with Delta mutation, say experts NEWS.com.au
- View Full coverage on Google News