Flu (influenza) is an infection of the nose, throat and lungs, which are part of the respiratory system. Influenza is commonly called the flu, but it's not the same as stomach "flu" viruses that cause diarrhea and vomiting. Most people with the flu get better on their own. But sometimes, influenza and its … See more At first, the flu may seem like a common cold with a runny nose, sneezing and sore throat. Colds usually develop slowly. But the flu tends to come on suddenly. And while a cold can be miserable, you usually feel much worse with … See more If you're young and healthy, the flu usually isn't serious. Although you may feel miserable while you have it, the flu usually goes away in a week or two with no lasting effects. But children and adults at high risk may develop … See more Influenza viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks. You can inhale the droplets directly. Or you can pick up the germs from an … See more Factors that may increase your risk of developing the flu or its complications include: 1. Age.Seasonal influenza tends to have worse outcomes in children under age 2, and adults older than age 65. 2. Living or working … See more WebOct 16, 2024, 1:09 PM. The formulation of the flu shot changes each year. Marko Geber/Getty. The flu shot works by introducing your body to antigens, which produces antibodies that can help your immune system fight off a flu infection. The flu shot is made of inactivated flu viruses, so it can help you build immunity without actually making you ...
Influenza (flu) - Symptoms and causes - Mayo Clinic
WebMar 2, 2011 · 80% of dogs contract a mild form of influenza. It is a health inconvenience, but with good supportive care and a round of antibiotics they fully recover within two weeks. 20 percent of dogs have cases that lead to complications and secondary infections, like pneumonia. 1-5% can lead to death. Canine influenza can quickly turn to pneumonia and ... WebSep 20, 2024 · The influenza vaccine teaches the body to produce antibodies against the head of the virus's surface protein, hemagglutinin (HA). Those antibodies ideally prevent HA from attaching to cellular receptors, thwarting infection. But HA's head is highly mutable, which is why vaccinemakers must come up with a new formula every year. northeastern toefl requirement
How does the flu virus work, and why do we have to make new …
WebOct 15, 2024 · Lifestyle and home remedies. If you do come down with the flu, these measures may help ease your symptoms: Drink plenty of liquids. Choose water, juice and warm soups to prevent dehydration. Rest. Get more sleep to help your immune system fight infection. You may need to change your activity level, depending on your symptoms. WebIt works by attacking the flu virus to keep it from multiplying in your body and by reducing the symptoms of the flu. Tamiflu can sometimes keep you from getting the flu if you take it before... WebMar 28, 2024 · It does not cause epidemics and does not have the severe public health impact that influenza types A and B do. In addition to seasonal flu, there is another type of flu virus: Avian flu (H5N1): Avian influenza, or bird flu, is also a subtype of influenza type A viruses. While highly contagious in birds, it does not usually infect humans. northeastern tools