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Article

The Global Epidemic of the SARS-CoV-2 Delta Variant, Key Spike Mutations and Immune Escape.

Frontiers in immunology - 1 Jan 2021

Tian Dandan, Sun Yanhong, Zhou Jianming, Ye Qing

Abstract excerpt

During the COVID-19 pandemic, SARS-CoV-2 variants have emerged and spread worldwide. The Delta (B.1.617.2) variant was first reported in India in October 2020 and was classified as a "variant of concern (VOC)" by the WHO on 11 May, 2021. Compared to the wild-type strain, several studies have shown that the Delta variant is more transmissible and has higher viral loads in infected samples. COVID-19 patients...

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Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Identifiers

PMID: 34917076
DOI: 10.3389/fimmu.2021.751778
PMCID: PMC8669155

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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