It is very true, this pandemic has brought ugly things, deaths, disease, despair in people, unemployment, in short, there are many negative things, but with regard to the positive this is one of them, thanks to all this finally worried about making more updated diagnostic devices, as we can see we have to go to extremes to cope with certain things. Unfortunately this is the case, and without knowing what has happened with the vaccine, or what will happen when they finally manage to finish it.