SARS-CoV-2, a novel coronavirus related to SARS and MERS, is the virus that causes COVID-19. (COVID-19 = Coronavirus Disease 2019)
Incubation period is primarily 4 to 5 days, but can range from 2-14 days.
Cough
Fever (either subjective or objective)
Myalgia
Headache
Dyspnea/shortness of breath
Sore throat
Diarrhea
Nausea/vomiting
Loss of smell or taste
Runny nose
Fatigue
Acrocyanosis in children
Severe illness can occur in any patient; however, the following patients are at higher risk:
Advanced age (60 or older)
Cardiovascular disease
Obesity
Diabetes
Hypertension
Chronic kidney disease
Smoking
Cancer (primarily hematologic malignancies, metastatic disease, or lung cancer)
Chronic lung disease
Other immunocompromising conditions (e.g. cirrhosis, sickle cell disease, etc.)
Progression to severe/critical illness (see below) generally occurs later in the disease course at a median of 8 days after symptom onset.
Pneumonia may or may not be present (no signs of severe pneumonia)
No need for supplementary oxygen and most patients can be managed at home
Fever or respiratory infection plus one of the following:
RR > 30 breaths/min
Severe respiratory distress
SpO2 ≤ 93% on room air
Acute Respiratory Distress Syndrome (ARDS)
Sepsis
Septic Shock