Health Tips on Norovirus for your reference, please click and Read through.

中国教育报公众号：预防诺如病毒“五要五不要”，转给师生家长

From ChinaCDC: Health tips on norovirus enteritis

From Web MD: Norovirus

From Healthlinkbc: Norovirus

From University of Waterloo: Norovirus: What You Should Know