Hawaii, Florida and Louisiana are reporting the highest percent of influenza-like illnesses.
The CDC defines influenza-like illness, or ILI, as a fever of 100 degrees or greater, along with a cough and/or sore throat. The agency collects data on outpatient visits to healthcare providers for respiratory illness through ILINet. ILI percentages are weighted for state population and compared to baseline levels to assess flu activity. For more information on how the metric is calculated, click here.
Hospitals reported 4,811 new flu admissions in the week ending Oct. 17, up from 4,024 the week prior, according to the CDC’s latest FluView report. About 2.2% of outpatient visits involved patients with respiratory illness. This metric sits below the national baseline of 2.9% and is up from 2.1% the week prior.
Note: The list includes ties.
1. Hawaii — 4.6%
2. Florida — 3.58%
3. Louisiana — 3.5%
4 (tie). California — 3.23%
4 (tie.) South Carolina — 3.23%
6. New Jersey — 3.16%
7. West Virginia — 2.93%
8. District of Columbia — 2.79%
9. Wyoming — 2.48%
10 (tie). Georgia — 2.43%
10 (tie). Texas — 2.43%
12. Virginia — 2.32%
13. Colorado — 2.24%
14. Nevada — 2.18%
15. New Mexico — 2.16%
16. Alaska — 2.15%
17. New York — 2.12%
18. Idaho — 2.06%
19. Oregon — 2.03%
20. Tennessee — 1.96%
21. Washington — 1.95%
22. Alabama — 1.86%
23. Arizona — 1.81%
24. Oklahoma — 1.77%
25. Massachusetts — 1.72%
26. Arkansas — 1.7%
27. Indiana — 1.68%
28 (tie). Mississippi — 1.66%
28 (tie). North Carolina — 1.66%
30. Maryland — 1.53%
31. Ohio — 1.5%
32. Pennsylvania — 1.47%
33. Connecticut — 1.46%
34. Kansas — 1.42%
35 (tie). Michigan — 1.23%
35 (tie). Rhode Island — 1.23%
37. Nebraska — 1.2%
38 (tie). Minnesota — 1.03%
38 (tie). Wisconsin — 1.03%
40. Vermont — 1.01%
41. Missouri — 0.96%
42. Kentucky — 0.95%
43 (tie). Illinois — 0.9%
43 (tie). New Hampshire — 0.9%
45. Maine — 0.89%
46. Montana — 0.82%
47. Utah — 0.73%
48. Iowa — 0.65%
49. Delaware — 0.63%
50. South Dakota — 0.53%
51. North Dakota — 0.37%
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