How Do You Know If It’s Flu or Covid-19?

This might help, which I picked up from Medscape:

Presentations of COVID-19 have ranged from no or mild symptoms to severe illness and mortality. Symptoms may develop 2 days to 2 weeks after exposure to the virus.

Although symptoms may occur in various orders and individuals do not necessarily have any or all symptoms, a study of more than 55,000 confirmed cases of COVID-19 reported that the most common order of symptoms was fever, cough, muscle pain, nausea/vomiting, and diarrhoea. This may help distinguish the presentation of COVID-19 from the presentation of influenza, which more commonly begins with cough and myalgia.

The following symptoms may indicate COVID-19: 

  • Fever or chills
  • Cough
  • Shortness of breath or difficulty breathing
  • Fatigue
  • Muscle or body aches
  • Headache
  • New loss of taste or smell
  • Sore throat
  • Congestion or runny nose
  • Nausea or vomiting
  • Diarrhoea

Other reported symptoms have included the following:

  • Sputum production
  • Malaise
  • Respiratory distress
  • Neurologic (eg, altered mentality)

Risk factors for severe COVID-19, regardless of age, include the following: 

  • Obesity (body mass index ≥ 30 kg/m2)
  • Chronic kidney disease
  • Chronic obstructive pulmonary disease (COPD)
  • Immunocompromised state due to solid organ transplant
  • Serious heart conditions (eg, heart failure, coronary artery disease, cardiomyopathies)
  • Sickle cell disease
  • Type 1 diabetes mellitus
  • Type 2 diabetes mellitus

The following are underlying conditions that may represent an increased risk for severe COVID-19:

  • Asthma (moderate to severe)
  • Cerebrovascular disease
  • Cystic fibrosis
  • Immunocompromised state due to blood or bone marrow transplant, immunodeficiencies, HIV infection, corticosteroid use (or other medications that weaken the immune system)
  • Neurologic conditions (eg, dementia)
  • Liver disease
  • Pregnancy
  • Pulmonary fibrosis
  • Smoking
  • Thalassemia

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