How many cases of swine flu were found in China in 2009?

There were 23,000 newly diagnosed H123,000 patients in China, and 7 14 patients died.

In 2009, H 1N 1 Influenza was also called swine influenza A (H 1N 1). According to the report of WHO, this new virus is an animal-derived virus which is a unique combination of swine flu, avian flu and human influenza virus.

The first case of influenza virus came from Veracruz in central Mexico, and then quickly spread to Mexico City, the capital of Mexico, and extended northward to California, New Mexico, Texas and other areas with more Mexican immigrants.

Extended data

The cases of swine flu (A/Human/United States/09 (H1N1)) in various states in the United States are distributed in California, Kansas, Minnesota, new york, Ohio and Texas.

On April 23, 2009, an official of the US Centers for Disease Control and Prevention pointed out that the preliminary study detected that the prevalent swine flu virus was influenza A virus, carrying H 1N 1 subtype swine flu virus strains, including DNA fragments of avian influenza, swine flu and human influenza, which had the characteristics of Asian swine flu and African swine flu viruses. Medical tests show that mainstream antiviral drugs are effective for this strain.