Omicron-induced immunity neutralises Delta: Study https://news.rediff.com/commentary/2022/jan/26/omicroninduced-immunity-neutralises-delta-study/786554e7adc0a98140a0259b397f6fdf January 26, 2022
An Indian Council of Medical Research study has demonstrated that individuals infected with Omicron have significant immune response which could neutralise not only the Omicron, but also other variants of concern, including the most prevalent Delta variant...The study assessed the IgG antibody and Neutralizing Antibody response in the people with breakthrough and natural COVID-19 infections.
"Our study demonstrated substantial immune response in the individuals infected with Omicron. The neutralizing antibodies could effectively neutralize the Omicron and other variants of concern (VOCs), including the most prevalent Delta variant," the study stated.