New swine flu with pandemic potential identified by China re
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Researchers in China have discovered a new type of swine flu that is capable of triggering a pandemic, according to a study in the US science journal PNAS.

• The researchers reported on influenza virus surveillance in pigs from 2011 to 2018 and came across a genotype G4 that "resembles the 2009 H1NI pandemic".

• Researchers identified, "similar to Pandemic H1N1/09 virus
G4 viruses have all the essential hallmarks of a candidate pandemic virus."

• The report noted as a cause of concern that serological surveys showed that 10.4 percent (35/338) of swine workers tested positive for the G4 EA H1N1 virus.

• "Participants 18 to 35 years old had 20.5 percent (9/44) seropositive rates, indicating that the predominant G4 EA H1N1 virus has acquired increased human infectivity."

• Moreover, low antigenic cross-reactivity of human influenza vaccine strains with G4 reassortant EA H1N1 virus indicates that preexisting population immunity does not provide protection against G4 viruses.

Source: https://www.theweek.in/news/health/2020/06/30/new-swine-flu-with-pandemic-potential-discovered-china.html
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