ISLAMABAD: Pakistan's National Command and Operation Centre (NCOC) has announced its decision to start the vaccination of people in the 50-59 age group against Covid-19 from April 21, it was reported on Sunday. Taking to Twitter on Saturday, Minister for Planning and Development Asad Umar, said: "Decision taken in today's NCOC meeting to start vaccination of people in the age group of 50 to 59 from Wednesday the 21st of April. "Would once again encourage everyone to register for the vaccination." (IANS)