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. 2019 Mar 1;70(1):40–48. doi: 10.1093/cid/ciz165

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Published by Oxford University Press for the Infectious Diseases Society of America 2019.

This work is written by (a) US Government employee(s) and is in the public domain in the US.

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Figure 4. — Biannual annualized norovirus incidence among outpatients (A) and inpatients with community-acquired infection (B) at 4 Veterans Affairs Medical Centers, November 2011–September 2015. *Includes outpatient specimens collected during November 2011–April 2012; November 2012–April 2013; November 2013–April 2014; and November 2014–April 2015. †Includes outpatient specimens collected during May 2012–October 2012; May 2013–October 2013; May 2014–October 2014; and May 2015–September 2015. ¶Includes inpatient specimens collected from patients admitted for acute gastroenteritis during November 2011–April 2012; November 2012–April 2013; November 2013–April 2014; and November 2014–April 2015. ‡Includes inpatient specimens collected from patients admitted for acute gastroenteritis during May 2012–October 2012; May 2013–October 2013; May 2014–October 2014; and May 2015–September 2015.