'A Tale of Two Vaccines'
Exactly one hundred years ago the first (and so far only) TB vaccine (BCG) was first successfully used on an infant. Currently somewhere around 350 million infants are vaccinated with it each year but it’s been well known for nearly half a century that the vaccine only provides short-term protection for them and provides next to none for older age groups. The shocking proof is in the pudding – a full century of use and appallingly around a quarter of the humankind is currentl
