Quad-demic threat in US: Mask mandate returns as winter viruses surge. What should you do to prevent it?

Quad-demic threat has been looming across the US as winter viruses have seen a massive surge. The surge in infections have forced the authorities to make masks mandatory in Wisconsin, California, Illinois, Indiana and New Jersey. Experts have said that indoor activities, crowded holiday gatherings, and diminished immunity have led to the increase in infections.