AFP, SEOUL: South Korea reported its fifth death from MERS as the government on Sunday vowed "all-out" measures to curb the outbreak that was threatening to spread nationwide, including tracking mobile phones of those in quarantine. The number of infections rose to 64 after 14 new cases, including one death, of Middle East Respiratory Syndrome (MERS) were confirmed late Saturday night, the health ministry said. It is the largest outbreak outside Saudi Arabia where it has infected more than 950 since 2012. As of Sunday, more than 2,300 people had been placed under quarantine of varying degrees. About 2,100 were told to stay home and strictly limit their interactions with others, while about 200 were isolated in state hospitals.