More than 20 million people have been placed under quarantine, and authorities have cautioned against travel, just weeks ahead of the biggest holiday of the year.
She wants to use virus relief to aid progressive state governments.
New York surpassed Washington state as the U.S. locale with the most cases of the novel coronavirus, as the viral epidemic reached a new stage globally, with confirmed cases outside China tripling over the past week and the north of Italy under lockdown.
