 Fearing a worst @-@ case scenario , the U.S. Department of Health and Human Services ( HHS ) , the Centers for Disease Control and Prevention and the Department of Homeland Security ( DHS ) developed updated guidance and a video for employers to use as they developed plans to respond to the H1N1 outbreak . The guidance suggested that employers consider and communicate their objectives , such as reducing transmission among staff , protecting people who are at increased risk of influenza @-@ related complications from becoming infected , maintaining business operations , and minimising adverse effects on other entities in their supply chains . 
