Then, question 10 ask what is Covid-19 and the right answer given is virus. In fact, Covid-19 is a disease and the virus is identified as SARS-COV-2. Please refer to WHO website.
Tq
Small Ponyauthor
Ok thank you for you comment
Small Ponyauthor
Coronaviruses are a large family of viruses that are known to cause illness ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS).
This link tells that coronavirus is a large group of virus, not a disease.
Then, question 10 ask what is Covid-19 and the right answer given is virus. In fact, Covid-19 is a disease and the virus is identified as SARS-COV-2. Please refer to WHO website.
Tq
https://www.who.int/emergencies/diseases/novel-coronavirus-2019/technical-guidance/naming-the-coronavirus-disease-(covid-2019)-and-the-virus-that-causes-it