Ill health has always been concentrated in particular places; tackling these pockets of ill health is an essential role for public health. These may be driven by environmental factors, demography, deprivation and healthcare provision.
Our gut is permanently full of large numbers of bacteria but serious infections rarely occur due to its extraordinary immune system. Public health has reduced but not eliminated transmission of these potentially dangerous infections.
Control measures including vaccination have reduced the risk of some, but not all, of these very serious infections. This lecture will cover how infections get into the brain, their effect and how we can prevent and treat them.