With an increase in the gastrointestinal viral illness this winter, a primary care physician explains how to protect yourself and how to treat norovirus at home.  This article originally appeared in NewYork-Presbyterian’s Health Matters. By Camille Bautista-Fryer  Bronx Voice  January 14, 2025 NEW YORK - While the fall and winter seasons can bring an uptick of colds or the flu , cases of another common viral illness — norovirus — are rising in the United States, according to data from the Centers for Disease Control and Prevention. “Norovirus is also known as the ‘stomach flu,’ but it’s not related to the flu or influenza virus,” says Dr. TingTing Wong , an attending physician and infectious disease specialist at NewYork-Presbyterian Brooklyn Methodist Hospital and NewYork-Presbyterian Medical Group Brooklyn . “It impacts the stomach and colon and is very contagious, but for people who are generally healthy, they’re sick for about two...