Experts warn of a ‘quad-demic’ as flu, RSV, COVID-19 and norovirus converge in California - San Francisco Chronicle
- Experts warn of a ‘quad-demic’ as flu, RSV, COVID-19 and norovirus converge in California San Francisco Chronicle
- What to know about 'quad-demic' of COVID, flu, RSV and norovirus in US ABC News
- Viral sicknesses rise amid ‘quad-demic’ in US The Hill
- Tracking the ‘quad-demic’ The Boston Globe
- What Is the ‘Quad-demic’ — and Is It Coming for You? PEOPLE