Sri Lanka launches probe over three new mutations of Delta variant

People receive COVID-19 vaccine at a vaccination center in Colombo, Sri Lanka, Aug. 1, 2021. (Photo by Ajith Perera/Xinhua)

Three new mutations of the Delta variant have been identified in Sri Lanka. The country has launched an investigation to identify the implications of the three new mutations to see if it is more contagious than the original Delta variant.