Delta Plus variant

Scientists around the world and in India are concerned about ‘Delta plus’, an emerging form of the Delta variant of the novel coronavirus. This variant allows the virus to “escape” antibodies in recently approved treatment regimes. WHAT IS DELTA PLUS VARIANT? Formally known as AY.1 or B.1.617.2.1, it’s a variant of Delta (B.1.617.2), which was first identified in India. It has an additional mutation called K417N, which has previously been identified in the Beta variant (first found in South Africa) and the Gamma variant (first detected in Brazil). The K417N, along with another mutation called K417T, is a mutation in the spike protein of the novel coronavirus. These variants are characterized as being highly infectious and may reduce the potency of vaccines. WHY THE CONCERN? The Delta variant is now regarded as the most prevalent one in India, comprising nearly 31% of the 21,000 community samples processed until late May. This variant has significant differen...