Acknowledgement
We are very grateful to the people of China and the world for their
tremendous efforts in fighting against COVID-19. We are very grateful to
the health workers and people involved working day and night without
fear of death. Without the concerted efforts of all the people, COVID-19
in China could not be possibly constrained in 2 months. Special thanks
also go to all levels of Chinese health commissions and WHO for making
the data public.
Conflict of interests
PFS has received research grants from the
National
Natural Science Foundation of China (81670744, 81870564) and
Science
Technology Department of Zhejiang Province of China (No. 2017C33037).
ETHICAL APPROVAL
This study did not involve animal experiments besides the fae‐
cal sampling of diarrhoea dairy calves that visited farm for clinical
treatment.