Infographic: How H1N1 Came to Spark a Pandemic in 2009 January 04, 2022 via The Scientist RSS https://ift.tt/3mQn4mg The pathogen known as swine flu evolved in pigs in Mexico following imports of the livestock from the US and Europe. https://ift.tt/eA8V8J January 04, 2022 at 10:30AM Read more