- 'Super spreader variant': local health leaders urge people to get vaccinated amid rise in Delta vari WBNS 10TV
- Pfizer to seek OK for 3rd vaccine dose The Canberra Times
- Explained: What is the Delta variant of Covid-19? 1 NEWS
- Here's what you need to know about the lambda Covid variant CNBC
- Delta variant: Pfizer to seek US permission for COVID vaccine booster KSDK News
- View Full coverage on Google News