[Source: US Centers for Disease Control and Prevention (US CDC), FluView, full page: (LINK). Extract.]


H3N2v, USA: One additional Indiana Case, 16 so far

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Novel Influenza A Viruses:

One additional infection with influenza A (H3N2) variant (H3N2v) virus was reported to CDC during week 31 by Indiana.

A total of 16 H3N2v cases have been reported this summer:
  • Illinois [1],
  • Indiana [14], and
  • Ohio [1].
So far during 2013, one person has been hospitalized as a result of H3N2v illness; no deaths have occurred.

At this time no ongoing human-to-human transmission has been identified and all 16 cases have reported close contact with swine in the week prior to illness onset.

Public health and agriculture officials are investigating the extent of disease among humans and swine, and additional cases may be identified as the investigation continues.

Because of reporting schedules, state totals posted by CDC may not always be consistent with those reported by state health departments. If there is a discrepancy between state and CDC case counts, data from the state health department should be used as the most accurate number.

Early identification and investigation of human infections with novel influenza A viruses is critical in order to evaluate the extent of the outbreak and possible human-to-human transmission.

Additional information on influenza in swine, variant influenza infection in humans, and strategies to interact safely with livestock can be found at http://www.cdc.gov/flu/swineflu/h3n2v-cases.htm.

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