Rio de Janeiro delays Carnival parades as omicron spreads

The world-famous Carnival festivities in Rio de Janeiro will be held in late April rather than the final weekend of February, as the number of coronavirus cases in Brazil spikes and the omicron variant spreads across the country. 

What does it mean for COVID-19 to be endemic?

Some countries are making tentative plans for when they might start treating COVID-19 as an "endemic" disease, but the World Health Organization and other officials have warned that the world is nowhere close to declaring the pandemic over. A look at what endemic means and the implications for the future.

California's COVID gun store shutdowns ruled illegal

Two California counties violated the Constitution's right to keep and bear arms when they shut down gun and ammunition stores in 2020 as nonessential businesses during the coronavirus pandemic, a federal appeals court ruled Thursday.