Money Smoothie fans, take note: The FDA now tests frozen berries for hepatitis A, norovirus May 14, 2019May 14, 2019Zlati Meyer, USA TODAYComments Off on Smoothie fans, take note: The FDA now tests frozen berries for hepatitis A, norovirus The FDA has begun testing frozen berries for hepatitis A and norovirus. The U.S. had four frozen-berry-related outbreaks between 1997 and 2016.