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Zhonghua Zheng

Researcher at Centers for Disease Control and Prevention

Publications -  8
Citations -  675

Zhonghua Zheng is an academic researcher from Centers for Disease Control and Prevention. The author has contributed to research in topics: Medicine & Outbreak. The author has an hindex of 2, co-authored 3 publications receiving 155 citations. Previous affiliations of Zhonghua Zheng include Peking Union Medical College.

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Viral infection and transmission in a large, well-traced outbreak caused by the SARS-CoV-2 Delta variant

TL;DR: Daily sequential PCR testing of the quarantined subjects indicated that the viral loads of Delta infections, when they first become PCR+, were on average ~1000 times greater compared to A/B lineage infections during initial epidemic wave in China in 2020, suggesting potentially faster viral replication and greater infectiousness of Delta during early infection.
Journal ArticleDOI

An Imported Case of BA.2 Lineage of Omicron Variant COVID-19 — Guangdong Province, China, December 28, 2021

TL;DR: The sequencing analysis concluded that the virus genome belonged to lineage BA.2, VOC/Omicron, and was nicknamed as ‘Stealth Omicron’ because it differs from the ‘standard’ variety by not having the characteristic SGTF-causing deletion.
Journal ArticleDOI

An Imported Case and an Infected Close Contact of the Omicron Variant of SARS-CoV-2 — Guangdong Province, China, December 13, 2021

TL;DR: The Omicron variant is a highly divergent variant with a high number of mutations, including position 26–32 in the spike protein, some of which are concerning and may be associated with immune escape potential and higher transmissibility.