Symptoms In children, emergency warning signs that need urgent medical attention include:
· Fast breathing or trouble breathing
· Bluish or gray skin color
· Not drinking enough fluids
· Severe or persistent vomiting
· Not waking up or not interacting
· Being so irritable that the child does not want to be held
· Flu-like symptoms improve but then return with fever and worse cough
In adults, emergency warning signs that need urgent medical attention include:
· Difficulty breathing or shortness of breath
· Pain or pressure in the chest or abdomen
· Sudden dizziness
· Confusion
· Severe or persistent vomiting
· Flu-like symptoms improve but then return with fever and worse cough
