| Mild influenza (Case fatality level of <0.1%) |
Moderate influenza (Case fatality level of 0.1% to < 1%) |
Severe influenza (Case fatality level of 1% to >2%) |
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| Confirmed human outbreak overseas (federal government response stage 2). |
Alert level 1—Publicize and educate. |
Alert level 1—Publicize and educate. |
Alert level 1—Publicize and educate. Alert level 2—Gather data on absentee rates, local closings, sister institutions, federal state and local health department recommendations. |
| Widespread human outbreak overseas or first human case in North America (federal government response stage 3 or 4). |
Alert level 1—Publicize and educate. |
Alert Level 1—Publicize and educate. Alert level 2—Gather data on absentee rates, local closings, sister institutions, federal state and local health department recommendations. |
Alert Level 1—Publicize and educate. Alert level 2—Gather data on absentee rates, local closings, sister institutions, federal state and local health department recommendations. Alert Level 3—Consider closing campus for up to four weeks. |
| Spread throughout the United States (federal government response stage 5). |
Alert level 1—Publicize and educate. Alert level 2—Gather data on absentee rates, local closings, sister institutions, federal state and local health department recommendations. |
Alert level 1—Publicize and educate. Alert level 2—Gather data on absentee rates, local closings, sister institutions, federal state and local health department recommendations. Alert Level 3—Consider closing campus for up to four weeks. |
Alert level 1—Publicize and educate. Alert level 2—Gather data on absentee rates, local closings, sister institutions, federal state and local health department recommendations. |