A City Guide To Chaozhou for Woolf Public health specialists consider vaccines both safe and successful and at least in developed countries, the incidence of many common, predominantly childhood diseases, such as measles, is low. However, infectious diseases still account for approximately seventeen million deaths in developing countries and half a million deaths in industrialised countries BMA a. Although immunisation is offered to various subgroups in the population, such as influenza vaccination to the elderly or to those with pre-existing conditions that increase their vulnerability to infection e.g. asthma, the main emphasis of immunisation is on the prevention of childhood disease. It is policy in the UK to advise parents to immunise their child, as shown in Table Public health policy is to provide vaccinations that provide long-lasting protection against specific disease without adverse consequences to the individual, and with the costs of providing the vaccination being outweighed by the costs of having to treat the disease if no vaccination were to be provided. Human papillomavirus HPV a family of over viruses, of which types can cause genital warts and be transmitted by sexual contact. A City Guide To Chaozhou 2016.