Journal article

Serological differentiation between COVID-19 and SARS infections

Wan Ni Chia, Chee Wah Tan, Randy Foo, Adrian Eng Zheng Kang, Yilong Peng, Velraj Sivalingam, Charles Tiu, Xin Mei Ong, Feng Zhu, Barnaby E Young, Mark I-C Chen, Yee-Joo Tan, David C Lye, Danielle E Anderson, Lin-Fa Wang

Emerging Microbes & Infections | TAYLOR & FRANCIS LTD | Published : 2020


In response to the coronavirus disease 2019 (COVID-19) outbreak, caused by SARS-CoV-2, multiple diagnostic tests are required for acute disease diagnosis, contact tracing, monitoring asymptomatic infection rates and assessing herd immunity. While PCR remains the frontline test of choice in the acute diagnostic setting, serological tests are urgently needed. Unlike PCR tests which are highly specific, cross-reactivity is a major challenge for COVID-19 antibody tests considering there are six other coronaviruses known to infect humans. SARS-CoV is genetically related to SARS-CoV-2 sharing approximately 80% sequence identity and both belong to the species SARS related coronavirus in the genus B..

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