evidence: - People at higher risk of severe outcomes or complications who work in settings with higher risk of parvovirus B19 exposure should practice hand hygiene, avoid sharing food or drinks, and consider wearing a respirator or mask while at work. There is no proven benefit to removing someone from work in settings with higher risk of parvovirus B19 exposure. [...] - Follow general respiratory precautions to prevent spread of parvovirus B19 and other respiratory viruses. People at higher risk of severe parvovirus B19 can consider using additional prevention strategies such as wearing a mask when around others. [...] The Centers for Disease Control and Prevention (CDC) protects people’s health and safety by preventing and controlling diseases and injuries; enhances health decisions by providing credible information on critical health issues; and promotes healthy living through strong partnerships with local, national and international organizations.