Influenza (flu) - Symptoms and causes - Mayo Clinic
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 get better on their own.
Influenza (Seasonal) - World Health Organization (WHO)
2023年10月3日 · Influenza C virus is detected less frequently and usually causes mild infections, thus does not present public health importance. Influenza D viruses primarily affect cattle and are not known to infect or cause illness in people. Signs and symptoms. Symptoms of influenza usually begin around 2 days after being infected by someone who has the virus.
COVID-19, cold, allergies and the flu: What are the differences?
2023年11月3日 · Also, you can get an annual flu vaccine to help reduce your risk of the flu. The flu vaccine also can reduce the severity of the flu and the risk of serious complications. The vaccine can be given as a shot or as a nasal spray. For COVID-19, you can get a 2023-2024 COVID-19 vaccine to reduce the risk of getting seriously ill with COVID-19.
Bird flu (avian influenza) - Symptoms and causes - Mayo Clinic
2024年6月8日 · If a bird flu virus leads to a human pandemic, public health agencies have plans for vaccine development and administration. People can take actions to further lower the risk of getting bird flu in many ways. Avoid contact with animals who are sick or may be sick. Wild or domestic, keep birds at a distance to avoid any germs they may carry.
COVID-19 vs. flu: Similarities and differences - Mayo Clinic
2023年7月22日 · Getting the flu vaccine may lower your risk of COVID-19 infection. The U.S. Food and Drug Administration (FDA) has given emergency use authorization or approval to COVID-19 vaccines in the U.S. A vaccine can prevent you from getting the COVID-19 virus or prevent you from becoming seriously ill if you get the COVID-19 virus.
Cold and flu viruses: How long can they live outside the body?
2024年2月24日 · This includes shaking hands or being close enough to breathe in the virus that a person sends out with a cough or sneeze. Getting COVID-19 and flu vaccines helps lower the chance that you will catch or spread these viruses or get seriously ill …
Influenza (flu) - Diagnosis and treatment - Mayo Clinic
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.
Influenza (gripe) - Síntomas y causas - Mayo Clinic
2024年1月10日 · La gripe es causada por un virus. La influenza se conoce comúnmente como gripe, pero es diferente de los virus de la “gripe” estomacal, que causan diarrea y vómitos. La mayoría de las personas que tienen gripe mejoran por su cuenta.
History of flu (influenza): Outbreaks and vaccine timeline - Mayo …
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.
Virology of human influenza - World Health Organization (WHO)
2010年5月13日 · Influenza virus . Human influenza viruses belong to the Orthomyxoviridae family, which consists of the genera influenza A, B, and C virus, thogotovirus (carried by ticks, and infecting humans), and isavirus (infecting fish), as well as of a few other, newly described arboviruses. Only influenza A and B viruses cause epidemics in human beings.