TY - SER TI - Como siempre, la gripe.: Incidencia y profilaxis del mal SN - 0210-5020 N1 - Este artículo se encuentra disponible en su edición impresa; Bibliografía: p. 94 N2 - Thirty pandemics since the 16th century, seven hundred thousand deaths in Spain from the Spanish flu (1917-1919), are some data on the flu, that acute and contagious damage, whose responsible virus was isolated in 1933. In this case, knowing has not been synonymous with winning and, each year, the flu returns with its sequel of public spending, lost work days, deaths and illnesses of varying intensity. This work is a rigorous analysis of the disease and its consequences. (With Spanish data up to 12-20-1983.) Also, an in-depth study of vaccines and their justification ER -