65 cases of Covid delta variant a major cause of concern in Karachi

The genotyping of randomly selected 94 positive samples of Covid-19 revealed 65 cases of delta variants, which makes 69 percent of total samples tested, which requires the immediate action of the concerned authorities to prevent the possible spread of the fatal delta variant in Karachi. The National Institute of Virology (NIV) at the Dr. Panjwani […]