In 2009, a strain of influenza A(H1N1) virus which had not ever been seen before, emerged, spread across the world and caused the 2009 H1N1 pandemic. This pandemic A(H1N1)2009 virus has been widely circulating across the globe since 2009, and is now established in human populations as a seasonal influenza virus, as described above. Currently there is no longer a pandemic virus circulating in the world.
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spread across the world and caused the 2009 H1N1 pandemic. This pandemic A(H1N1)2009
virus has been widely circulating across the globe since 2009, and is now established in human
populations as a seasonal influenza virus, as described above. Currently there is no longer a
pandemic virus circulating in the world.
из ликбеза ВОЗ.
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