inclusion criteria: * covid-19 positive patients * treated at the health institute of the state of mexico (isem). * with risk factors to get complicated: age more than 60 years old, diabetes mellitus or obesity grade ii or more.

inclusion criteria: * covid-19 positive patients * treated at the health institute of the state of mexico (isem). * with risk factors to get complicated: age more than 60 years old, diabetes mellitus or obesity grade ii or more.

inclusion criteria: - covid-19 positive patients - treated at the health institute of the state of mexico (isem). - with risk factors to get complicated: age more than 60 years old, diabetes mellitus or obesity grade ii or more.

inclusion criteria: - covid-19 positive patients - treated at the health institute of the state of mexico (isem). - with risk factors to get complicated: age more than 60 years old, diabetes mellitus or obesity grade ii or more.