evidence: Steps that people should take to keep themselves and communities healthy and safe from the flu, norovirus, and other viruses include: [...] Other steps that people should take to keep themselves healthy and safe from the flu, norovirus, and other viruses include: [...] "The flu is a very serious virus that can send someone to the hospital, and norovirus can be dangerous for some people too," said Director of Health Nicole Alexander-Scott, MD, MPH. "Both viruses spread very easily. However, by taking a few simple preventive steps, you can help keep both yourself and people around you healthy and safe."