Swine Flu

Further serological surveillance among occupational exposure population showed that 10.4% (35/338) of swine workers were positive for G4 EA H1N1 virus, especially for participants 18 y to 35 y old, who had 20.5% (9/44) seropositive rates, indicating that the predominant G4 EA H1N1 virus has acquired increased human infectivity.

Novel Influenza A Virus: One human infection with a novel influenza A virus was reported by the state of Iowa. The person was infected with an influenza A (H1N2) variant (H1N2v) virus. The patient was not hospitalized, and has fully recovered from their illness. No human-to-human transmission has been identified and the case reported close contact with swine in the week prior to illness onset. http://www.cdc.gov/flu/weekly/#S1

Seven human infections with novel influenza A viruses were reported by two states (Michigan [4] and Ohio [3]) during week 33. All seven persons were infected with influenza A (H3N2) variant (H3N2v) viruses and reported exposure to swine in fair settings during the week preceding illness onset. http://www.cdc.gov/flu/weekly/

CDC's week 52 FluView cites first H3N2v case in New Jersey -no direct swine contact.

State Research Center of Virology and Biotechnology Vector has released sequences from a deceased H1N1pdm09 case,27M. The H1 frompost-mortum tissue had D225G.

CDC Issues H1N1pdm09 Health Advisory http://content.govdelivery.com/accounts/USCDC/bulletins/133aa4b

Week 49 Flu View cites the detection of H1N1v in case in Minnesota with no documented swine contact.

Week 34 FluView describes hospitalized H3N2v case in Michigan.

Hospitalized H3N2v Case In Minnesota