Team members say it may take years to fully understand the origins of COVID-19, but their initial work has revealed some clues.
Kulasegaram Sanchayan reports in Tamil with a feature written by Biwa Kwan.
WHO investigators say COVID-19 most likely came from animals
Marion Koopmans (R) and Peter Ben Embarek (c) of the WHO team farewell their Chinese counterpart Liang Wannian Source: AAP
Researchers from the World Health Organisation have completed their 28-day mission in China to determine the origins of COVID-19 pandemic.
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