Bangladesh has signed a pact with China to buy the Sinopharm Covid-19 vaccine, said Health Minister Zahid Maleque. The Health Minister said this during a programme at the National Institute of Cardiovascular Diseases here. He added: "The recent revelation of vaccine prices has created some issues. We have to maintain non-disclosure clauses strictly according to the deal." �� Bangladesh to Buy Sinopharm COVID-19 Vaccines from China.