Researchers and drug companies are scrambling to develop vaccines and treatments to fight the new coronavirus that emerged in central China in December and has spread to more than two dozen countries, killing more than 2,000 people.
There are no proven treatments for the virus and experts say it could take a year or more to have a vaccine ready. The hope is that strict quarantines in China and elsewhere will contain the virus' spread long enough for scientists to develop tools to fight it. The following is a list of some of those efforts: