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Influenza A virus subtype H1N1 (A/H1N1) is a subtype of influenza A virus (IAV). Some human-adapted strains of H1N1 are endemic in humans and are one cause of seasonal influenza (flu). [1] Other strains of H1N1 are endemic in pigs (swine influenza) and in birds (avian influenza). [2]
In the experiments, macaques infected with the virus developed the same symptoms as human SARS patients. [11] A virus very similar to SARS was discovered in late 2019. This virus, named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is the causative pathogen of COVID-19, the propagation of which started the COVID-19 pandemic. [12]
The virus is contagious with an R 0 of 1.4 to 1.6 [24] and spreads from human to human in much the same way as seasonal flu. The most common mechanisms by which it spreads are by droplets from coughs and sneezes of infected people, and also potentially touching a surface or the hand of a person contaminated with the virus and then touching one ...
Results of the analysis, published in the journal JAMA Pediatrics, showed approximately 1.01 million children, or 1.4%, are believed to have ever experienced long COVID in 2023 and about 293,000 ...
Porcine epidemic diarrhea virus (PEDV) is a coronavirus that has recently emerged and similarly causes diarrhea in pigs. [135] Transmissible gastroenteritis virus (TGEV), which is a member of the species Alphacoronavirus 1, [136] is another coronavirus that causes diarrhea in young pigs.
The U.S. Department of Agriculture said this week that cow-to-cow transmission is a factor in the spread of bird flu in dairy herds, but it still does not know exactly how the virus is being moved ...
According to the latest virus tracking data, BA.5 accounted for about 87% of cases across the country for the week ending Sept. 10, while BA.4 made up 2% of cases, the Centers for Disease Control ...
The 2009 swine flu pandemic, caused by the H1N1/swine flu/influenza virus and declared by the World Health Organization (WHO) from June 2009 to August 2010, was the third recent flu pandemic involving the H1N1 virus (the first being the 1918–1920 Spanish flu pandemic and the second being the 1977 Russian flu).