from 10am on 7 August 2020, tighter rules to enter Guangdong from Hong Kong, particularly requires COVID negative test result within 24 hours, from a listed laboratory.
https://www.info.gov.hk/gia/general/...0080500718.htm
from 10am on 7 August 2020, tighter rules to enter Guangdong from Hong Kong, particularly requires COVID negative test result within 24 hours, from a listed laboratory.
https://www.info.gov.hk/gia/general/...0080500718.htm
Macau entry rules also changed, following Guangdong
https://news.rthk.hk/rthk/en/compone...4-20200806.htm
Makes no real difference since most people will have to quarantine 14 days anyway and the 24h doesn't apply to everyone else. It's still 72 hours for cross border drivers and other exempt persons. Just travel the day you got your result.