At present we live a health problem because of the Covid-19, therefore the study carried out is a systematic review of the different technological UV alternatives that have been developed to reduce the spread of Covid-19 and other pathogens harmful to health, since it has been proven that the UV-C range which is considered to have a very powerful radiation. In the present investigation 34 scientific articles were synthesized, taken from databases such as: Scopus/Elsevier, ScienceDirect, IEEE Xplore, Researchgate. Of these, 39% are oriented towards the health area and 21% are used in the disinfection of public areas. In conclusion, the rates of use of this germicide and how to sterilize by means of ultraviolet radiation were announced.