What was the swine flu pandemic (H1N1 2009)?

Flu viruses seem to spread most predominantly through aerosol infection where people become infected because of droplets in the air that contain the virus. The ... The Flu. Similarly, the influenza virus leads to head congestion by infecting your nose, throat and lungs, and causing nasal swelling. People often confuse a ... Influenza (Flu). •A common contagious viral infection that attacks the ... causes the flu. “It's true that some people may have a mild reaction, like a ... Oct 12, 2010 ... The disease, caused by a new variant of the influenza virus, was spread in part by troop movements during World War I. Though the flu pandemic ... May 12, 2021 ... We found that infection with a neurotropic influenza A virus strain (IAV/WSN) caused misfolding of PrP C into PrP Sc and generated infectious prions in mouse ... Oct 1, 2006 ... Colds and the flu cause many of the same symptoms. But colds are usually mild, while the flu tends to be more severe. Influenza C virus infections generally cause mild illness and are not thought to cause human epidemics. Influenza D viruses mainly affect cows. They are not ... What about a new, non-influenza virus, like the one that causes SARS? Would the world be able to cope with another flu pandemic? Yes, says Robert Webster ... Feb 12, 2025 ... Generally, influenza viruses can infect some wild species without causing signs of disease, but new strains can emerge that cause illness with ... Jun 8, 2017 ... Antigenic drift in human flu viruses is what causes the changes in seasonal flu viruses each year and is why the seasonal flu vaccine must be ...