The Centre has instructed airport operators and airlines to put in place standard operating procedures for the transportation of Covid-19 vaccines that will be approved by the government, the Hindustan Times has reported. The SOPs will be drafted in coordination with the ministry of health and the department of pharmaceuticals. The department will be spearheading the formation of a multi-mode cold chain that will ensure the refrigerated production, transport, storage and distribution of the vaccines. The aviation ministry has held a round of meetings with airline executives on transport logistics, the report added.