The coronavirus is constantly changing due to mutations. If a virus has one or more new mutations, it is called a variant of the original virus. Currently, several variants of the virus that cause the coronavirus disease (COVID-19 or SARS-CoV-2) are causing concern all over the world, in particular the Delta COVID-19 variant. The World Health […]
Coronaviruses are a family of viruses with different types that could cause a variety of respiratory tract illnesses that range from mild to moderate cold-like symptoms. The most recently discovered was SARS-CoV-2, which caused the COVID-19 pandemic.