Coronavirus

Definition

Coronavirus is a type of virus that primarily infects the respiratory tract, causing illnesses ranging from the common cold to more severe diseases such as COVID-19. It is characterized by its crown-like spikes on its surface.

5 Must Know Facts For Your Next Test

1. Coronaviruses are RNA viruses with a single-stranded positive-sense genome.
2. The virus spreads through respiratory droplets when an infected person coughs or sneezes.
3. Symptoms can range from mild respiratory infections to severe pneumonia and acute respiratory distress syndrome (ARDS).
4. COVID-19, caused by the novel coronavirus SARS-CoV-2, led to a global pandemic starting in late 2019.
5. Preventative measures include wearing masks, frequent hand washing, and vaccination.

Review Questions

Related terms

SARS-CoV-2:

The novel coronavirus responsible for the COVID-19 pandemic.

Respiratory Droplets: Tiny drops of fluid expelled from the respiratory tract that can carry infectious agents like viruses.

Pneumonia:

An infection that inflames air sacs in one or both lungs, which can fill with fluid or pus.