Local Government and Housing Minister Datuk Seri Panglima Masidi Manjun said the new cases had dropped by 446 from 2,163 on Saturday.
The duration of protection afforded by the booster cannot be determined at present because the evidence and information is still insufficient.
However, there are a handful of individuals who get more severe side effects such as pericarditis.
There have been no teen deaths related to Covid-19 vaccinations reported in Lahad Datu, Sabah.