Turkey is working on developing its national Covid-19 vaccine (Turkovac) now, Turkish Ambassador to Bangladesh Mustafa Osman Turan said Monday. "Once the work is completed, we are open to making it available to other countries and exploring ways to collaborate with Bangladesh," he added. The envoy was paying his first visit to icddr,b in Mohakhali and was very keen to learn about the world-renowned public health research institution and its recent Covid-19 research activities. During the visit, he termed icddr,b's life-saving research inspiring.