Covid -19 : News

What is covid -19 ?

Covid -19 ( coronavirus) is agroup  of related RNA viruses that causes diseases in mammals and birds .

* Coronavirus is respiratory illness and transmitted through person to person contact with droplets generated when an infected person coughts or sneezes .

* The covid -19 virus infects people of all ages .

* There is no currently no evidence that people can catch covid - 19 from food or food packages .

Symptoms :

Most common symptoms :

1. Fever  

2. Dry cough

3. Tiredness

Less common symptoms :

1. Aches and pains

2. Sore throat

3. Diarrhoea

4. Conjunctivitis

5. Headache 

6. Loss of taste or smell

7. A rush on skin or discolouration of fingers or toes .

Prevention :

1. Clean your hands , use soap and water , or an alcohal based hand sanitizer .

2. Maintain a safe distance from covid patients .

3. Wear a mask when physical distance is not possible .

4. Do not tough your eyes , nose or mouth .

5. Stay home if you feel unwell .

6. If you have a fever , cough and difficulty breathing , seek medical attention .

What is virus ?

Viruses are microscopic particles , generally much smaller than Bacteria . 

They lack the capacity to produce outside of host body .

The 2014 outbreak of Ebola in west Africa and The 2009 H1N1 swine flu pandemic likely came to mind .

Types of virus :

1. Helical : Tobacco Mosoic virus

2. Polyhedral : Adenovirus

3. Spherical :Influenza virus , 

HIV , 

Hepatitis - B

4. Complex :  Bacteriophage