PREMIUM
FRANCISCO CARRIÓN
@fcarrionmolina
Updated on Tuesday, 22 September 2020 - 22:45
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Ten months after
the first infections, Covid-19 is still plagued with
questions
.
The origin of its causative agent, the
intermediate
host
between the bat and man, and the
mutations
that have occurred since then
are unknown
.
Some questions for which scientists involved in the
search for vaccines
remain unanswered.
This week a
controversial report
by Chinese virologist Li-Meng Yan, who fled Hong Kong last April and denounced the alleged "truth
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