California coronavirus cases doubling every three to four days as US death toll nears 1,000

Officials are racing to get a handle on the novel coronavirus as the number of deaths nears 1,000 in the United States and cases in two of the hardest hit states -- California and New York -- quickly multiply.

"We originally thought that it would be doubling every six to seven days and we see cases doubling every three to four days," said Dr. Mark Ghaly, secretary of the California Health and Human Services Agency.

There are now more than 65,000 cases of coronavirus across the US, and fatalities have...