yvonne ndege jos plato state. >>> first drugs to make babies immune. our science editor trek bazley hastarek balz bazley has more. >> by the time there were four 46% less likely to suffer from suffer malaria, sever cases and deaths from the disease and was considerably less effective on children up to the age of five months. that hasn't stopped the european mid systems safght agency giving the disease the red light. approval and funding will also need to be found. the course of the vaccine could cost about $five per $five $5 per child. >> miners are demanding more investment in their industry. the silver mine has been making money for years. people whob work there who have twhrorkd worked there have struggled. maryam namazee has the story. >> to be able to bring food to the table. >> reporter: the mine has been active since 1545. it's the world's largest silver deposit. despite the local riches. >> normally. >> translator: 87% of the silver goes to international companies and president ivovo moarms hasn'tvomorales hasn't changed that. >> in the last fo