Flu symptoms for all humans.

Symptoms of flu.

 At first, the flu may feel like the flu, with runny nose, sneezing, and sore throat. Colds usually start slowly. But flu usually happens quickly. Although the flu can be painful, you often feel sick when you have the flu.

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Flu symptoms usually, but not always, include fever, muscle aches, chills, and sweating.
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Other symptoms include:
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Headache.
Dry, persistent cough.
Breathless.
weak and weak.
Runny or itchy nose.
Sore throat.
Eye pain.

In colds, the headache is severe and feels as if the head is spinning.
Cold makes the head heavy.
A cold causes a lot of coughing and a lot of pain in the ribs.
In cold there is a lot of difficulty in breathing.
Frequent colds can cause sores from not cleaning yourself.
A cold causes a lot of watery discharge from the eyes and a lot of pain.
The maximum duration of a cold is one to two weeks.
If the cold lasts more than two or three weeks, bronchitis may develop or there may be another disease.

For adults, emergency symptoms can include:

Difficulty breathing or shortness of breath.
Chest pain.
Ongoing dizziness.
Seizures.
Worsening of existing medical conditions.
Severe weakness or muscle pain.

Children may have following symptoms

Gray or blue, lips or nail beds.
Dehydration.

Death can occur if not treated quickly.