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প্রেজেন্টেশন

২৮ মার্চ, ২০২০ ০১:১০ অপরাহ্ণ

Paragraph : Corona Virus Diseases (COVID- 19)

Corona Virus Diseases (COVID- 19) is an infectious dieases   caused by a new virus . Coronaviruses belong to the subfamily Coronavirinae in the family   Coronaviridae . Corona Viruses are type of virus. There are many different kinds and some cause disease. A newly identified type has caused a recent out break of respiratory illness now called COVOD-19. At present  it is one of the main problems in the whole  world countries.