Corona Virus vs COVID-19
Corona Virus
Corona virus is a family of virus that causes diseases in mammals and birds.
According to World Health Organization (WHO), in humans, several coronaviruses are known to cause respiratory infections ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS).
Difference between Coronavirus and COVID-19
Some examples include
a) Coronaviruses causing mild symptoms of common cold
  • Human coronavirus OC43 (HCoV-OC43), Human coronavirus HKU1, Human coronavirus NL63 (HCoV-NL63, New Haven coronavirus), Human coronavirus 229E (HCoV-229E)

b) Coronaviruses causing severe respiratory infections including Pneumonia
  • Middle East respiratory syndrome-related coronavirus (MERS-CoV)
  • Severe acute respiratory syndrome coronavirus (SARS-CoV)
  • COVID-19
Structure: Enveloped positive sense RNA viruses with nucleocapsid of helical symmetry
Why the name “corona”?
The most prominent feature of coronaviruses is the club-shape spike projections emanating from the surface of the virion. These spikes are a defining feature of the virion and give them the appearance of a solar corona under two-dimensional transmission electron microscopy (TEM), prompting the name, coronaviruses. (Latin corona meaning “crown or halo”)
  • COVID 19 Is the infectious disease caused by newly discovered corona virus, first identified at Wuhan, China in December 2019
  • February 11, 2020 WHO announced an official name  COVID-19, ‘CO’ stands for ‘CORONA,’ ‘VI’ for ‘VIrus,’ and ‘D’ for Disease
  • Formerly, this disease was called as “2019 novel coronavirus” or “2019-nCoV”
Symptoms of Covid-19 include
  • fever, tiredness, and dry cough. Some patients may have aches and pains, nasal congestion, runny nose, sore throat or diarrhea. These symptoms are usually mild and begin gradually.
Transmission of disease: 
  • People can catch COVID-19 from others who have the virus, through respiratory droplets or through infected surfaces
Preventive measures:
  • Regularly and thoroughly clean your hands with an alcohol-based hand rub or wash them with soap and water.
  • Maintain at least 1 meter (3 feet) distance between yourself and anyone who is coughing or sneezing.
  • Avoid touching eyes, nose and mouth as infected surfaces can spread the disease
  • Cover your mouth and nose with your bent elbow or tissue when you cough or sneeze. Then dispose of the used tissue immediately.
  • Avoid direct contact with animals and surfaces in contact with animals
  • Stay home if you feel unwell. If you have a fever, cough and difficulty in breathing, seek medical attention immediately.
For more updates and answers on COVID-19 visit: 
Zhu, N., Zhang, D., Wang, W., Li, X., Yang, B., Song, J., ... & Niu, P. (2020). A novel coronavirus from patients with pneumonia in China, 2019. New England Journal of Medicine.
Fehr, A. R., & Perlman, S. (2015). Coronaviruses: an overview of their replication and pathogenesis. In Coronaviruses (pp. 1-23). Humana Press, New York, NY.

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