Serological studies have been used in a number of countries to look for evidence of earlier Covid-19 circulation. Photo: Shutterstock Serological studies have been used in a number of countries to look for evidence of earlier Covid-19 circulation. Photo: Shutterstock
Serological studies have been used in a number of countries to look for evidence of earlier Covid-19 circulation. Photo: Shutterstock
China /  Science

Coronavirus: China plans to test Wuhan blood samples from before outbreak

  • Research could uncover earlier cases prior to the first known patient in December 2019
  • Chinese scientist says it can only begin once a two-year statutory storage period has passed

Topic |   Coronavirus China
Simone McCarthy
Simone McCarthy

Updated: 9:57pm, 23 Jul, 2021

Why you can trust SCMP
Serological studies have been used in a number of countries to look for evidence of earlier Covid-19 circulation. Photo: Shutterstock Serological studies have been used in a number of countries to look for evidence of earlier Covid-19 circulation. Photo: Shutterstock
Serological studies have been used in a number of countries to look for evidence of earlier Covid-19 circulation. Photo: Shutterstock
READ FULL ARTICLE