A Japanese pharmaceutical company has developed a pill it says can kill the flu virus in a day, good news for Americans who are experiencing a widespread outbreak of the infection this winter.

But Baloxavir, a flu drug co-developed by Shionogi & Co. and Swiss healthcare company Roche Holding AG (OTC:RHHBF), won’t be available in the United States before next winter. The drug has received preliminary approval in Japan and its developers plan to file for regulatory review in the United States and Europe later this year, per Bloomberg.

In trials, a single dose of Baloxavir killed the flu virus within 24 hours, three times as fast as Roche’s currently-available treatment, Tamiflu. A Tamiflu treatment cycle requires 10 doses over five days.

Read more at the Denver Business Journal: http://bit.ly/2EYffn3