Jan 28, 2025 · Flu, also called influenza, is an infection of the nose, throat and lungs, which are part of the respiratory system. The flu is caused by a virus. Influenza viruses are different from the "stomach flu" viruses that cause diarrhea and vomiting. Most people with the flu …

6 days ago · Descripción general. La gripe, también llamada influenza, es una infección de la nariz, la garganta y los pulmones, que son parte del sistema respiratorio.

Jan 28, 2025 · To diagnose the flu, also called influenza, your healthcare professional does a physical exam, looks for symptoms of flu and possibly orders a test that detects flu viruses. The viruses that cause flu spread at high levels during certain times of the year in the Northern and Southern hemispheres. These are called flu seasons.

Being pregnant or giving birth during flu season raises a person's risk for flu complications. Obesity. People with a body mass index (BMI) of 40 or higher have an increased risk of flu complications. Complications of flu include pneumonia, sinus or ear infections, bronchitis, and acute respiratory distress syndrome.

6 days ago · Infórmate más sobre los síntomas, las causas y la prevención de esta infección viral potencialmente mortal que ataca el sistema respiratorio.

Jul 22, 2023 · Each year's flu vaccine provides protection from the three or four influenza viruses that are expected to be the most common during that year's flu season. The vaccine can be given as a shot, also called an injection, or as a nasal spray. The flu vaccine doesn't prevent you from getting COVID-19. Also, research shows that getting the flu ...

Loscalzo J, et al., eds. Influenza. In: Harrison's Principles of Internal Medicine. 21st ed. McGraw Hill; 2022. https://accessmedicine.mhmedical.com. Accessed Aug. 6 ...

Oct 4, 2024 · Reviews of flu season data since 2009 find that vaccine protection ranges from a low of 22% to a high of 56%. Looking at the U.S. population, that means millions of fewer illnesses and visits to a healthcare professional. Flu vaccine also lowers the number of people with an illness who need hospital care or who die of influenza.

During 2009, the flu causes about 61 million illnesses, 274,0000 hospital stays and 12,400 deaths. Later in 2009, an H1N1 flu vaccine becomes available. During the H1N1 flu pandemic, Mayo Clinic staff are trained in infection control and prevention. A disaster preparedness team meets regularly to discuss flu planning with clinical areas.

Jul 4, 2024 · H1N1 flu is a subtype of influenza A. Each influenza subtype includes many different strains of influenza virus. Not all strains infect people. Subtypes of influenza A viruses currently found in people are strains of H1N1 and H3N2. Each year's flu vaccine includes varieties of these strains and influenza B.