The Delta variant of the coronavirus, which emerged in India, was more infectious than the original one and was mainly responsible for the second wave in the country. It further mutated to form the Delta Plus variant.Besides, there are other profoundly contagious variants like Lambda and Kappa that have raised red alerts, TOI reported.
Studies suggest that Delta variant or B.1.617.2 is more transmissible than contemporary lineages, due to which the World Health Organization (WHO) has categorised it as a variant of concern (VOC).
This variant virus has accounted for the outbreak in several other countries. The cases of the Delta variant have also been reported in the UK and Israel.
Delta Plus variant
Delta Plus variant is the subdivision of Delta variant originated in India. It was first found in Maharashtra and was responsible for a majority of COVID infections.It is suspected to trigger the third wave of COVID-19 in the western state as the mutant virus can also lead to severe symptoms and hospitalisation.
Apart from the primary symptoms, Delta plus variant can cause stomach aches, nausea, appetite loss, vomiting. Its long term effects include joint pains and hearing impairment.
The Delta plus variant has been found in nine other countries across the world apart from India. Cases of the Delta Plus variant have been reported in the UK, Portugal, Switzerland, Poland, Japan, Nepal, China, India and Russia.