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What causes the flu to start?

What causes the flu to start?

What Causes the Flu? The flu is caused by influenza viruses that infect the nose, throat, and lungs. These viruses spread when people with flu cough, sneeze or talk, sending droplets with the virus into the air and potentially into the mouths or noses of people who are nearby.

What symptom does the flu start with?

Flu symptoms hit fast The flu will often surprise you with how quickly symptoms begin, and how serious the illness can become. Classically, the flu starts with a sudden onset of fever, chills, muscles aches, mild headache and fatigue. You may have other symptoms like a runny nose and cough, too.

How do we get flu?

Person to Person Most experts think that flu viruses spread mainly by droplets made when people with flu cough, sneeze or talk. These droplets can land in the mouths or noses of people who are nearby or possibly be inhaled into the lungs.

What causes flu virus?

Human influenza A and B viruses cause seasonal epidemics of disease (known as flu season) almost every winter in the United States. Influenza A viruses are the only influenza viruses known to cause flu pandemics, i.e., global epidemics of flu disease.

How fast do Covid symptoms appear?

According to the Centers for Disease Control and Prevention, the incubation period, the time from exposure to when one develops symptoms, ranges from two to 14 days after the initial exposure. Scientists caution, however, “the period of infectiousness” for COVID-19 is not yet known with certainty.

What are the first signs of flu in adults?

In adults

Signs and Symptoms Cold Influenza (Flu)
Fatigue, weakness Sometimes Usual
Sneezing Common Sometimes
Chest discomfort, cough Mild to moderate; hacking cough Common; can be severe
Stuffy nose Common Sometimes

How can I prevent the flu naturally?

Natural Flu Prevention Tips

  1. Wash Your Hands Thoroughly & Frequently. Although the flu is an airborne illness, it is often transmitted by shaking hands and touching frequently used surfaces.
  2. Keep Your Space. Try to stay about six feet away from others when possible.
  3. Stay Active.
  4. Sleep Tight.
  5. Eat a Nutrient-Rich Diet.

How soon can Covid symptoms appear?

The time from exposure to symptom onset (known as the incubation period) is thought to be two to 14 days, though symptoms typically appear within four or five days after exposure. We know that a person with COVID-19 may be contagious 48 hours before starting to experience symptoms.