Where did the swine flu start?

Online Answer
In 1998, swine flu was found in pigs in four U.S. states. Within a year, it had spread through pig populations across the United States. Scientists found this virus had originated in pigs as a recombinant form of flu strains from birds and humans..
Related Questions 📌
Can people catch swine flu/variant flu from eating pork? Swine influenza has not been shown to be transmissible to people through eating properly handled and prepared pork (pig meat) or other products derived from pigs..
In 1998, swine flu was found in pigs in four U.S. states. Within a year, it had spread through pig populations across the United States. Scientists found this virus had originated in pigs as a recombinant form of flu strains from birds and humans..
A massive global vaccine effort led by the US helped end the pandemic, but the H1N1 virus is still with us. Every year it circulates as a seasonal flu, causing sickness, hospitalisation and deaths.