Lambda variant is proficient in escaping from the antiviral immunity elicited by vaccination

Study says new Lambda variant could be vaccine-resistant

In June this year, the World Health Organization added another variant of SARS-CoV-2 to its watch list as a variant of interest. Called Lambda []

In a July 28 report appearing on bioRxiv, where the study awaits peer review prior to getting published, researchers in Japan are sounding the alarm on the C.37 variant, dubbed Lambda. And it’s proven just as virulent as Delta thanks to a similar mutation making them even more contagious. []

“Our results suggest that the resistance of the Lambda variant against antiviral humoral immunity was conferred by the RSYLTPGD246-253N mutation,” the report concludes. 

Notably, the study sampled genome sequences from South American countries like Chile, Peru, and Argentina, where the lambda variant is the dominant strain. []

In California, at least 152 cases have been reported, the first as early as September 2020, according to state public health officials. []

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