Giuseppe
Emeritus
[Source: US Centers for Disease Control and Prevention, FluView, full page: (LINK). Edited.]
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Novel Influenza A Virus:
No novel influenza A virus infections were reported to CDC during week 40, however, from July 12 through October 11, 2012, a total of 306 infections with influenza A (H3N2) variant (H3N2v) viruses were reported from 10 states.
More information is available at http://www.cdc.gov/flu/swineflu/h3n2v-case-count.htm.
In addition, as a result of enhanced surveillance activities for H3N2v, one infection with an influenza A (H1N1) variant (H1N1v) virus and three infections with influenza A (H1N2) variant (H1N2v) viruses have been detected since July 2012, bringing the total number of variant influenza virus infections detected since July to 310.
The vast majority of variant virus infections reported during this time occurred after swine exposure.
Though instances of likely limited human-to-human transmission with H3N2v have been identified, at this time no ongoing human-to-human transmission of variant influenza viruses has been identified.
Additional information on influenza in swine, variant influenza infection in humans, and strategies to interact safely with swine can be found at http://www.cdc.gov/flu/swineflu/h3n2v-outbreak.htm.
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Novel Influenza A Virus:
No novel influenza A virus infections were reported to CDC during week 40, however, from July 12 through October 11, 2012, a total of 306 infections with influenza A (H3N2) variant (H3N2v) viruses were reported from 10 states.
More information is available at http://www.cdc.gov/flu/swineflu/h3n2v-case-count.htm.
In addition, as a result of enhanced surveillance activities for H3N2v, one infection with an influenza A (H1N1) variant (H1N1v) virus and three infections with influenza A (H1N2) variant (H1N2v) viruses have been detected since July 2012, bringing the total number of variant influenza virus infections detected since July to 310.
The vast majority of variant virus infections reported during this time occurred after swine exposure.
Though instances of likely limited human-to-human transmission with H3N2v have been identified, at this time no ongoing human-to-human transmission of variant influenza viruses has been identified.
Additional information on influenza in swine, variant influenza infection in humans, and strategies to interact safely with swine can be found at http://www.cdc.gov/flu/swineflu/h3n2v-outbreak.htm.
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