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COVID 19

 Coronavirus disease 2019  (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 a strain of coronavirus. The first cases of COVID -19 were seen in Wuhan, China, in December 2019. Currently, there is no proven treatments or vaccines available. 



SOURCE    Coronavirus



COVID-19 Symptoms 

Most common symptoms

  • Fever.
  • Tiredness.
  • Dry cough.

Less common symptoms

  • Loss of taste and smell.
  • Diarrhoea.
  • Headache

COVID-19 Vaccine 

A COVID 19 vaccine is a biotechnology product intended to provide acquired immunity against coronavirus disease 2019. Till August 2020, there were 231 vaccine candidates in development, although yet no candidates have completed clinical trials to prove their safety. 

Misinformation 

Social media posts have promoted a conspiracy theory that a COVID-19 vaccine is already available. 

Vaccine candidates

There is a total of 231 vaccine candidates in the early stages of development as either confirmed active projects or in exploratory development. 








SOURCE  Vaccine.


 Spread of Corona Virus 


Direct or Indirect Contact 


Coronavirus spread from person to person. It can easily affect many people. Current evidence suggests that COVID 19 spreads between people through direct, indirect or close contact with people via mouth and nose secretions.

Transmission risk of COVID -19 


Factors that determine transmission risk include whether a virus is still replication-competent, whether a patient has symptoms, such as a cough, which can spread infectious droplets, and the behaviour and environmental factors associated with the infected individual. 

Spread through Food


Coronavirus cannot spread through food; they need an animal or human host to multiply. 






Precautions of COVID-19

  • Clean your Hands. Use soap and water, or use a sanitiser.
  • Maintain a safe distance from anyone who is coughing or sneezing.
  • Wear a mask when physical distancing is not possible. 
  • Don't touch your eyes, nose, or mouth.
  • Stay home if you feel unwell.



SOURCE   Precautions of COVID -19

Test of COVID -19

TWO types of tests are available for COVID -19
  1. Viral test.
  2. Antibody test.

  • A viral test tells you if you have a current infection.
  • An antibody test might tell you if you had a past infection.


Conclusion

Although for most people COVID-19 causes only mild illness, it can be fatal. Older people and those with pre-existing medical conditions appear to be more vulnerable. 




SOURCE   COVID- 19








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