Weekly Report of Seasonal or Epidemic Viruses Detected

2011 Influenza Type A Subtype Results

Influenza A Subtype Results ¹
Total 
Subtyped
H1H3Novel H1
(swine-origin)
2011
December
12/25-12/310000
12/18-12/240000
12/11-12/170000
12/4-12/100000





November
11/27-12/30000
11/20-11/260000
11/13-11/190000
11/6-11/120000
10/30-11/50000





October
10/23-10/290000
10/16-10/220000
10/9-10/150000
10/2-10/80000
9/25-10/10000





September
9/18-9/240000
9/11-9/170000
9/4-9/100000
8/28-9/30000





August
8/21-8/270000
8/14-8/200000
8/7-8/130000
7/31-8/60000





July
7/24-7/300000
7/17-7/230000
7/10-7/160000
7/3-7/90000





June
6/26-7/20000
6/19-6/250000
6/12-6/180000
6/5-6/110000
5/29-6/40000





May
5/22-5/281010
5/15-5/210000
5/8-5/140000
5/1-5/70000





April
4/24-4/301010
4/17-4/233021
4/10-4/166033
4/3-4/95032





March
3/27-4/29072
3/20-3/26150105
3/13-3/193301419
3/6-3/123401816
2/27-3/52701314





February
2/20-2/26270918
2/13-2/193001218
2/6-2/12260206
1/30-2/5190145
January
1/23-1/29170143
1/16-1/22505
0
1/9-1/1512093
1/2-1/813085


¹ Subtyping of influenza A is by real-time RT-PCR following the CDC protocol