A City Guide To Thakurgaon for The model states that the subjective norm a person’s beliefs regarding whether important others referents would think that they should or should not carry out a particular action. An index of social pressure, weighted generally by the individual’s motivation to comply with the wishes of others see theory of planned behaviour. IN THE SPOTLIGHT Have you heard of HPV ? Human papillomavirus? Human papillomavirus is a highly prevalent sexually transmitted infection, thought to be present in about per cent of sexually active females at any one time, with an estimated lifetime risk of ? per cent. HPV is implicated in cervical cancer, i.e. it is referred to as a necessary cause’, although only a small proportion of HPV infections do actually develop into cancer. A preventative vaccine has been developed and licenced in Europe as elsewhere, the USA, Australia for example, and policy has come into place in many countries, including the UK, whereby, from September , vaccination is to be offered to teenage girls aged to , with a two-year catch-up programme from to vaccinate those under missed by the new programme. A City Guide To Thakurgaon 2016.