Week 16 WV shows no Flu Activity

West Virginia has reported influenza activity as “No Activity” for MMWR week 16 ending Saturday, April 23, 2011.

There were 0 positive tests for influenza A and 1 positive test for influenza B reported by hospital and referral laboratories. Only PCR, immunofluorescence and culture results are counted in these totals.

At the Office of Laboratory Services there were no positive tests for influenza A and there were no positive tests for influenza B.

There were no outbreaks of confirmed influenza activity in nursing homes or schools.

Up to date information can be found at the website:

http://www.wvidep.org/tabid/1960/Default.aspx

CDC Synopsis:

During week 16 (April 17-23, 2011), influenza activity in the United States continued to decrease.

• The proportion of deaths attributed to pneumonia and influenza (P&I) has been at or above the epidemic threshold for 13 consecutive weeks.
• Two influenza-associated pediatric deaths were reported, bringing the season total to 97. Both of these deaths were associated with an influenza B virus.
• The geographic spread of influenza in four states was reported as regional; the District of Columbia and 10 states reported local influenza activity; Puerto Rico and 32 states reported sporadic influenza activity, and the U.S. Virgin Islands, Guam, and four states reported no influenza activity.

No. of specimens tested	2,072
No. of positive specimens (%)	88 (4.3%)
Positive specimens by type/subtype
Influenza A	50 (56.8%)
A (2009 H1N1)	5 (10.0%)
A (subtyping not performed)	13 (26.0%)
A (H3)	32 (64.0%)
Influenza B	38 (43.2%)