An aide to Bersatu president Muhyiddin Yassin has refuted claims surrounding the then prime minister's vaccination status during an official visit to Saudi Arabia in March last year.

"Claims by Ustaz Abu Syafiq that Muhyiddin and his delegation did not receive the Covid-19 vaccine while performing the umrah in March last year is not true.

"Muhyiddin and all members of his delegation had received the first (Covid-19) vaccine dose prior to their departure to Saudi Arabia, and their second dose...