California officials plead with public to stay home on Christmas amid viral surge
Most of state is under stay-at-home order with COVID-19 deaths nearing 24,000
On Christmas Eve, California became first state to reach 2 million cases
Health officials said Thanksgiving gatherings fueled current COVID-19 surge
Hospitals are overrun as officials said there are no more available ICU beds
Largest concentration of hospitalizations is in Southern California, officials said
Los Angeles County is investigating if new COVID-19 strain is more contagious