Since the beginning of the COVID-19 pandemic in December 2019, much vital information scientists have been discovered about the coronavirus disease. There have been a couple of CIVID-19 variants, and that is because viruses change through mutation. How many variants ...

Medical experts worldwide are worried about the spread of the Delta variant of COVID that first appeared in India. The strain is considered more transmissible than other forms of the coronavirus, and Tedros Adhanom Ghebreyesus, who is the director general ...