According to CDC The Covid-19 symptoms may appear 2-14 days after exposure to the virus.
- Dry cough
- Shortness of breath or difficulty breathing
- Fever
- Chills
- Muscle pain
- Sore throat
- New loss of taste or smell
- Nausea, vomiting, or diarrhea
- Fever or feeling feverish/chills
- Cough
- Sore throat
- Runny or stuffy nose
- Muscle or body aches
- Headaches
- Fatigue (tiredness)
- Some people may have vomiting and diarrhea, more common in children than adults.
Colds or head colds are usually milder than flu. People with colds are more likely to have a runny or stuffy nose, sinus pain.
Symptoms of Allergy:
- Sneezing
- Runny nose or postnasal drip
- Itchy throat
- Itchy watery eyes
- Sinus congestion
- Cough
- Wheeze
Diagnostic tests for COVID, Flu, or Allergy:
Allergy skin tests or blood tests
Nasal swab test for flu
Nasal swab test for Covid-19
Blood test for Covid-19 Antibody (Immune Response test)