‘Among the work laid out is further investigation into wild animals traded at Wuhan’s Huanan market, where a number of the first known patients worked and shopped. The virus is believed to have originated in bats before passing to humans, likely through an intermediary animal, but it remains unclear whether this crossover happened at the market or outside it, according to the WHO. So far that market has proved a dead-end for animal clues: of the 336 samples from “frozen animal carcasses” that were tested in the market, none were positive for the virus, according to the November 5 report, which updated known figures on animal sampling.
‘Other research will involve looking back before December 2019 to review hospital records, death registers and disease surveillance data, and test stored blood samples to find any cases that appeared before those that are already known. Unpublished government records obtained by the South China Morning Post indicated that Covid-19 cases were identified in Hubei province as early as November 17.’
Read here (South China Morning Post, Nov 13, 2020)