Actually I found this surprisingly open-minded article from Australia that explores how the numbers could be so low. https://www.abc.net.au/news/2021-11-06/china-low-coronavirus-death-toll/100587910
Basically, with cases being imported from abroad, it may be younger and healthier people getting infected. With quick and thorough testing, cases are caught sooner so treatment begins earlier, and less serious cases are counted. Vaccination rate is very high which helps recovery. And finally, people who die after recovery due to comorbidities and covid making their condition worse may not be counted.
Actually I found this surprisingly open-minded article from Australia that explores how the numbers could be so low. https://www.abc.net.au/news/2021-11-06/china-low-coronavirus-death-toll/100587910
Basically, with cases being imported from abroad, it may be younger and healthier people getting infected. With quick and thorough testing, cases are caught sooner so treatment begins earlier, and less serious cases are counted. Vaccination rate is very high which helps recovery. And finally, people who die after recovery due to comorbidities and covid making their condition worse may not be counted.