The original antigenic sin has made fighting diseases really difficult. ShutterstockDr Wilfred Ndifon has proposed a solution to a 70-year old immunological mystery relating to the original antigenic sin. This complex problem has played havoc with efforts to fight infectious diseases, particularly in places such as Africa where people can suffer successive infections. Ndifon … [Read more...] about Africa’s answer to 70-year old problem of how to beat repeat infections | The Conversation