As the norovirus cases continue to spread in the U.S., you can't rely on hand sanitizer alone to protect you, experts warn. Norovirus causes gastrointestinal symptoms like nausea, vomiting ...
Consider the norovirus, a real terror of a pathogen, just a couple dozen nanometers in length, with its invasive acids tucked inside a protein coat. Exposure to fewer than 100 particles of norovirus ...