Mobile medical teams will now reach out to remote/hilly terrains for administering vaccines to children under the supervision of doctors. Besides, the government has formed a high-level committee of health experts to analyse the vaccination model that was introduced following the death of four children in Tiruvallur district on April 23. Official sources told The?Hindu here that the first meeting of the committee, headed by the Director of Public Health P. Padmanabhan, was held in Chennai on Friday.