Southeast Asia is ramping up its fight against the coronavirus as infections spread across the region, with nations locking down cities and sending in the military.As of Friday afternoon Malaysia, the hardest-hit country in the region, had reported 1,030 infections, Singapore 345, Indonesia 309, Vietnam 85, Thailand 50 and Cambodia 47.However, with 25 deaths Indonesia had the most fatalities. Myanmar has no reported cases, but has preemptively closed its border and stopped its migrant workforce…