How is influenza data collected and analyzed?

Seasonal influenza, commonly known as the "flu," is a contagious respiratory illness caused by influenza viruses, leading to annual outbreaks in the fall and ... 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 ... The flu is a contagious respiratory illness caused by influenza viruses. The flu can cause mild to severe illness. If left untreated, it could lead to ... Jun 22, 2024 ... Summary. Some sexually transmitted infections can cause flu-like symptoms such as fever, sore throat, and swollen lymph nodes. These include ... May 1, 2023 ... Infectious Agent. Influenza is caused by infection of the respiratory tract with influenza viruses, RNA viruses of the Orthomyxovirus genus. Jan 17, 2025 ... Is bird flu spreading in the United States? Sometimes, wild birds spread the virus and cause outbreaks on poultry farms. In 2022, it was found ... Mar 7, 2025 ... Influenza, commonly known as the flu, is a highly contagious respiratory illness caused by influenza viruses. Its severity can vary from mild to ... 2 days ago ... Influenza A is an acute respiratory viral infection (ARI), a respiratory illness caused by infection with the influenza A virus H1N1, ... Jan 14, 2025 ... It's a very rare event, but we know that reassortment has resulted in the influenza viruses that have caused the last three human pandemics. What causes influenza? · Through the air, in droplets that an infected person spreads through a cough or sneeze · Through touching things that infected people ...