Announcement

October 19-22, 2020
The benefits of immunization contribute extraordinarily to a decrease in communicable diseases or those preventable through vaccines, and are considered one of the greatest achievements of public health worldwide. Despite the significant advances in controlling infectious diseases through immunization, vaccine usage is still controversial, because when the frequency of diseases is lower, the relevance increases for the adverse effects that may appear after vaccine application, which arouses public doubts about their usage. Several are the factors associated with the reemergence of outbreaks of immunopreventable diseases. One is the decrease in vaccination coverage as a consequence of the fact that systematic vaccination is not being anymore a priority among health policies. Another is that fake information about vaccines is increasingly important in developed countries, where the spread of news about the adverse effects of vaccines has led to a decrease in the coverage of very safe vaccines, such as the vaccine against hepatitis B and the triple viral vaccine. Migration and population movement should be mentioned. Also, the inherent limitations of vaccination may explain the appearance of outbreaks. The lack of risk perception, the fear of adverse reactions, and doubts about the vaccine effectiveness are among the main reasons why people do not receive vaccine according to what health professionals consider, which in representative of the lack of information adequacy to the concrete circumstances about disease onset and treatment safety. Even though the topic in very controversial, it requires a wide update and reflection by health professionals who do research in the topic of vaccination.