More than 670 infections in the region have been linked to the gathering last month at a mosque located on the outskirts of the Malaysian capital Kuala Lumpur
The three countries have been widely affected due to the coronavirus as China from where the virus originated has recorded the second-highest death toll around the world
Defence Secretary Ben Wallace stated an additional 10,000 military personnel are going to be be placed at higher readiness and reserves put on standby to support public services