Read the passage given below: Coronaviruses are a family of viruses that can cause respiratory illness in humans. They get their name, “corona,” from the many crown-like spikes on the surface of the virus. COVID-19 enters our body through our mouth, nose or eyes (directly from the airborne droplets or from transfer of the virus from hands to our face). The virus travels to the back of our nasal passages and mucous membrane in the back of our throat. It attaches tocells there, begins to multiply and moves into lung tissue. The most common symptoms of COVID-19 are - fever , dry cough, fatigue ,loss of taste or smell. The best advice from healthcare providers to remain safe is to: Stay six feet away from others whenever possible, wear a cloth mask that covers our mouth and nose, wash our hands often. If soap is not available, we should use a hand sanitizer that contains at least 60% alcohol, avoid crowded spaces, clean and disinfect frequently touched surfaces. India has so far given more than 100 million doses of two approved vaccines - Covishield and Covaxin. A third coronavirus vaccine Russia's Sputnik V has been approved for use in India amid a deadly second wave of infections .We should all stay positive and test negative to drive away the deadly virus. i)“Virus is an enigma of biology” justify ii) Make a flow chart showing the pathway of infection caused by corona virus iii) Write two symptoms of this viral infection. iv)What is vaccine ? Name two vaccines that are used to prevent this attack v) Design a poster strategizing awareness campaign to prevent the spread of this disease
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