The lungs are the organs most affected by COVID‐19

Swimming in a well-maintained, properly chlorinated pool is safe. However, it is advisable to stay away from al crowded areas including crowded swimming pools. Keep 1 metre distance from people who sneeze or cough even in a swimming area.

Most airplanes have cabin air filtration systems equipped with HEPA filters which can remove viruses and germs quickly, minimizing how long people are exposed to any potential infectious virus or bacteria expelled by a cough or sneeze.

The arrival of the COVID-19 vaccine will enable the National Primary Health Care Development Agency (NPHCDA) to commence the vaccination of Nigerians in priority groups, starting with frontline healthcare workers.

The most recent common ancestor (MRCA) of all coronaviruses is estimated to have existed as recently as 8000 BCE, although some models place the common ancestor as far back as 55 million years or more, implying long term coevolution with bat and avian species.

The official names COVID-19 and SARS-CoV-2 were issued by the WHO on 11 February 2020.

Most people who are infected with the SARS-CoV-2 virus have respiratory symptoms. They start to feel a little bit unwell, they will have a fever, they may have a cough or a sore throat or sneeze. In some individuals, they may have gastrointestinal symptoms. Others may lose the sense of smell or the sense of taste.

• Stay home and self-isolate even if you have minor symptoms such as cough, headache, mild fever, until you recover. Call your health care provider or hotline for advice. Have someone bring you supplies. If you need to leave your house or have someone near you, wear a medical mask to avoid infecting others.