Jakarta, Dec. 22 -- Indonesia's Health Ministry is stepping up immunisation efforts in parts of Sumatra hit by floods and landslides to prevent outbreaks of infectious diseases in the wake of the disasters.

The ministry's Director of Immunisation, Indri Yogyaswari, said the campaign will focus on three priorities: delivering additional vaccines at evacuation shelters, covering communities directly affected by the disasters, and targeting areas where suspected measles cases have been detected.

Speaking in Jakarta on Monday, Indri said the measures follow a Health Ministry circular on controlling vaccine-preventable diseases issued for three disaster-affected provinces.

She acknowledged, however, that the rollout faces persistent obstacl...