COVID-19: Or something else? Differential Diagnosis

Respiratory System (J00-J99)

  • Pneumonia (pneumonia), interstitial (caused by other pathogens: e.g., chlamydia, legionella, mycoplasma, influenza and parainfluenza viruses, respiratory syncytial virus (RSV), adenoviruses)

Infectious and parasitic diseases (A00-B99).

  • Infectious diseases caused by viruses, bacteria, etc., unspecified
  • Influenza (flu)
  • Influenza-like Illness – generic term for infectious disease of the respiratory tract caused by a wide range of pathogens (mainly viruses, but also bacteria or fungi).
  • Legionellosis (Legionnaires’ disease) – infectious disease caused predominantly by the bacterium Legionella pneumophila.
  • SARS (Severe Acute Respiratory Syndrome; severe acute respiratory syndrome) – in the infection of the respiratory tract with the coronavirus SARS-CoV-1 (synonyms: SARS-associated coronavirus, SARS-CoV) it comes to an atypical pneumonia (pneumonia); lethality (mortality rate) 10%.
  • MERS-CoV (Middle East Respiratory Syndrome Coronavirus); formerly referred to as Human Betacoronavirus 2c EMC/2012 (HCoV-EMC, also Human Coronavirus EMC, was initially referred to as “New Coronavirus” NCoV); is from the coronavirus family (Coronaviridae); first identified in 2012; results in severe respiratory infection (pneumonia/pneumonia) and renal failure; lethality (mortality rate) 37%.