2009 H1N1 Pandemic (H1N1pdm09 virus) | Pandemic Influenza ...
2019年6月11日 · In the spring of 2009, a novel influenza A (H1N1) virus emerged. It was detected first in the United States and spread quickly across the United States and the world. This new H1N1 virus contained a unique combination of influenza genes not previously identified in …
H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
2023年3月23日 · The World Health Organization (WHO) declared the H1N1 flu to be a pandemic in 2009. That year the virus caused an estimated 284,400 deaths worldwide. In August 2010, WHO declared the pandemic over. But the H1N1 flu strain from the pandemic became one of the strains that cause seasonal flu.
2009 H1N1 Pandemic Timeline | Pandemic Influenza (Flu) | CDC
2019年5月8日 · In 2009, a new H1N1 influenza virus emerged, causing the first global flu pandemic in 40 years. Below is a timeline of major events that took place during the 2009 H1N1 pandemic.
influenza pandemic (H1N1) of 2009 - Encyclopedia Britannica
influenza pandemic (H1N1) of 2009, the first major influenza outbreak in the 21st century, noted for its rapid global spread, which was facilitated by an unusually high degree of viral contagiousness.
2009 swine flu pandemic - Wikipedia
The 2009 H1N1 flu pandemic is estimated to have actually caused about 284,000 (range from 150,000 to 575,000) excess deaths by the WHO-USCDC study and 148,000–249,000 excess respiratory deaths by the WHO-NIVEL study.
H1N1 Influenza - StatPearls - NCBI Bookshelf
In 1918, the H1N1 influenza virus, commonly known as the Spanish flu, sparked a devastating pandemic that infected roughly 500 million individuals worldwide and led to the deaths of an estimated 50 to 100 million people, accounting for 3% to 5% of the global population at the time.
Swine Flu (H1N1): What Is It, Causes, Treatments & Prevention
Swine flu (H1N1) is a type of viral infection. It’s called swine flu because it resembles a respiratory infection that pigs can get. In 2009, an H1N1 pandemic infected millions of people worldwide. Today, you can prevent H1N1 with an annual flu shot.