What's More Dangerous? Lambda, Kappa, Or Delta? And Why? Know It From The Doctor Covid explained: B.1.617.3, a relative of the Delta variant; B.11.318, which contains 14 mutations; Lambda, a variant discovered by Public Health England and classed as a VOI by the WHO; and Kappa or B.1.617.1 are among the variants. Dr. Sulaiman Ladhani 26 July 2021, Last Updated at 7:14 am Representational image Dr. Sulaiman Ladhani 2021-07-26T00:22:50+05:30 What's More Dangerous? Lambda, Kappa, Or Delta? And Why? Know It From The Doctor outlookindia.com 2021-07-26T07:14:03+05:30 Also read Amid increasing cases of Delta plus variant in India, other variants have become a topic of concern after India’s recent encounter with a deadly second wave. Aside from the Delta Plus variation, four new varieties have gained the attention of health experts. B.1.617.3, a relative of the Delta variant; B.11.318, which contains 14 mutations; Lambda, a variant discovered by Public Health England and classed as a variant of interest (VOI) by the World Health Organization; and Kappa or B.1.617.1 are among the variants.