Barbie Hsu, better known as "Da S" which means "Big S," caught the flu when she visited Japan with her family during the Lunar New Year, according to her sister.

"Our whole family came to Japan for a trip, and my dearest and most kindhearted sister Barbie Hsu died of influenza-induced pneumonia and unfortunately left us," Barbie’s sister

Taiwanese actor Barbie Hsu, one of the most prominent stars in the Chinese-speaking world, has died of a flu-related illness at age 48, Taiwan’s official Central News Agency reported Monday, citing her sister.