Sindh Health Minister Dr Azra Pechoho has revealed that Brazilian and South African strains of the corona virus have emerged in the city of Quaid.
According to Azra Pechoho, Brazilian and South African strains of the corona virus are more dangerous, with higher mortality rates and are less affected by vaccines.
He said that a British strain of corona virus has also been found in some samples of Karachi which has a spread rate of 60% and a mortality rate of 68%.
