There are several different kinds of influenza tests and they serve different purposes. Rapid influenza diagnostic test antigen detection — these tests detect viral antigens in nasal secretions. Some versions of molecular tests performed in laboratories simultaneously test for the presence of multiple respiratory viruses, such as influenza, respiratory syncytial virus RSV , and rhinovirus. Updated December Some of these subtypes have caused outbreaks in humans, and there is concern that they may in the future cause more widespread and serious outbreaks.
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Anyone at any age can have serious complications from the flu.
Over-the-counter medications can be taken to relieve nasal congestion, fever, and aches and pains. Viral Gastroenteritis Stomach Flu Viral gastroenteritis, also known as the stomach flu, is an inflammation of the stomach and intestines.
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Bigger antigenic drifts, known as "antigenic shifts," result in more severe illnesses since more people will be susceptible to the virus.
Influenza is spread by coughing and sneezing. These medications are ineffective in treating illness caused by influenza C. However, it may not tell the healthcare practitioner which strain influehza influenza is causing the infection, how severe the symptoms are likely to be, or whether or not a person may experience any secondary complications.
Updated December Lung disease including asthma Heart conditions except high blood pressure Kidney, liver, nerve, and muscle conditions Blood disorders including sickle cell disease Diabetes A weakened immune system due to diseases such as AIDSradiation therapy, or certain medicines, including chemotherapy and corticosteroids Other long-term medical problem These medicines may shorten the time you have symptoms by about infljenza day.
Diagnostic Virology Laboratory Newsletter [On-line newsletter]. But new symptoms occur, including: If you have the flu: Since experts must select the viruses to include in the vaccine months before flu season, there may not be a good match between the vaccine and the circulating viruses. DO NOT use aspirin. Flu symptoms will often start quickly.
Healthcare providers and researchers carefully track the influenza virus circulating worldwide and try to anticipate the strain s that will eventually appear locally the next season. Nelson Textbook of Pediatrics. Testing can help healthcare practitioners minimize its spread and prescribe antiviral drugs to treat patients to lessen its severity, if it is diagnosed early. Also, call your provider if your flu symptoms are very bad and self-treatment is not working.
You can also catch the flu if you touch something with the virus on it, and then touch your mouth, nose, or eyes. See More See Less. Influenza types A, B, and Inluenza can cause illness in humans.
How Are Influenza A and B Different?
Normal lung anatomy Influenza Nasal spray flu vaccine. These complications n arise just as influenza symptoms are fading. You can take steps to avoid catching or spreading the flu. Widespread Flu Affecting Most of the U.
The method used often depends on availability and reason for testing. Data for the to influenza season indicates that Plus Other Treatments The flu can be frustrating and take you away from school, work, and activities you'd much rather be doing.
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Sometimes testing may be done when someone who died had a severe, acute illness and influenza was the suspected cause. Providers sometimes suggest you to use both types of medicine. New strains of influenza may be present that diagnostic tests cannot reliably detect. Sometimes, you infkuenza get a virus that makes you throw up or have diarrhea.
Influenza B infection is generally associated with more severe disease in children while being a milder infection in adults.
October 25, Centers for Disease Control and Prevention. Or, the flu that predominates may end up being an unexpected strain, not the ones that the vaccine was developed to protect against.