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. 2018 Jan 19;67(2):71–76. doi: 10.15585/mmwr.mm6702a4

TABLE 2. Summary of 2014–15, 2015–16, and 2016–17 respiratory syncytial virus seasons by median and range, by U.S. Departments of Health and Human Services (HHS) Region,* and in Florida — National Respiratory and Enteric Virus Surveillance System, July 2014–June 2017.

HHS region or state 2014–2017 season median and range (surveillance week number)
Onset median surveillance week (mo) Onset range surveillance weeks (mos) Peak median surveillance week (mo) Peak range surveillance weeks (mos) Offset median surveillance week (mo) Offset range surveillance weeks (mos) Median duration (wks) Duration range (wks)
National
41 (mid-Oct)
40–41 (Oct)
5 (early Feb)
2–6 (Jan–Feb)
18 (early May)
17–19 (Apr–May)
31
30–31
National (excluding Florida and Hawaii)
42 (mid-Oct)
41–42 (Oct)
5 (early Feb)
2–6 (Jan–Feb)
18 (early May)
17–19 (Apr–May)
30
29–30
Region 1
44 (late Oct)
43–46 (Oct–Nov)
5 (early Feb)
2–6 (Jan–Feb)
19 (mid-May)
18–22 (May)
27
26–33
Region 2
40 (early Oct)
40–43 (Oct)
2 (mid-Jan)
52–4 (Dec–Jan)
19 (mid-May)
17–20 (Apr–May)
31
30–32
Region 3
44 (late Oct)
41–46 (Oct–Nov)
1 (mid-Jan)
1–5 (Jan–Feb)
17 (late Apr)
16–18 (Apr–May)
27
24–29
Region 4
37 (mid-Sep)
36–38 (Sep)
52 (late Dec)
50–52 (Dec)
21 (late May)
16–22 (Apr–May)
37
32–39
Region 5
42 (mid-Oct)
40–43 (Oct)
6 (mid-Feb)
2–7 (Jan–Feb)
19 (mid-May)
16–21 (Apr–May)
30
27–34
Region 6
40 (early Oct)
39–41 (Sep–Oct)
1 (mid-Jan)
52–3 (Dec–Jan)
18 (early May)
15–18 (Apr–May)
31
28–32
Region 7
43 (late Oct)
39–45 (Sep–Nov)
7 (mid-Feb)
5–8 (Feb)
19 (mid-May)
16–20 (Apr–May)
30
30–34
Region 8
48 (late Nov)
45–48 (Nov)
6 (mid-Feb)
6–7 (Feb)
18 (early May)
16–19 (Apr–May)
24
22–26
Region 9§
46 (mid-Nov)
44–48 (Nov)
5 (early Feb)
3–6 (Jan–Feb)
15 (mid-Apr)
14–16 (Apr)
22
21–24
Region 10
46 (mid-Nov)
44–46 (Nov)
4 (late Jan)
3–6 (Jan–Feb)
16 (mid-Apr)
15–18 (Apr–May)
25
23–25
Florida 37 (mid-Sep) 35–38 (Aug–Sep) 50 (mid-Dec) 48–52 (Dec) 16 (mid-Apr) 14–18 (Apr–May) 34 30–34

* Listed by region number and headquarters city. Region 1 (Boston): Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont; Region 2 (New York): New Jersey and New York; Region 3 (Philadelphia): Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia; Region 4 (Atlanta): Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee; Region 5 (Chicago): Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin; Region 6 (Dallas): Arkansas, Louisiana, New Mexico, Oklahoma, and Texas; Region 7 (Kansas City): Iowa, Kansas, Missouri, and Nebraska; Region 8 (Denver): Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming; Region 9 (San Francisco): Arizona, California, Hawaii, and Nevada; Region 10 (Seattle): Alaska, Idaho, Oregon, and Washington. Delaware, District of Columbia, Idaho, Iowa, Maine, Maryland, Mississippi, Nebraska, New Hampshire, New Mexico, North Carolina, Rhode Island, Tennessee, and Wyoming did not have laboratories meeting the inclusion criteria for the 2014–15 season analysis. District of Columbia, Idaho, Maine, Mississippi, Nebraska, Nevada, New Hampshire, North Carolina, Rhode Island, Tennessee, and Wyoming did not have laboratories meeting the inclusion criteria for the 2015–16 season analysis. District of Columbia, Maine, Nevada, New Hampshire, Rhode Island, Tennessee, and Wyoming did not have laboratories meeting the inclusion criteria for the 2016–17 season analysis.

Excludes data from Florida.

§ Excludes data from Hawaii.