Objective.

To analyze the information obtained from previous studies about the clinical picture present in SARS -CoV-2 disease, as well as the risk and vulnerability factors that predispose to this disease, in order to determine the most frequent ones in the interest of guiding the good diagnosis and treatment of the disease.

Method.

A bibliographic review using the internet and search engines such as Google Scholar and PubMed. The reviewed sources are published in online journals such as Elsevier, Jama, SciELO, Science Direct, among others. Also included were documents published by the Mexican Ministry of Health, and the World Health Organization.

Results.

It was observed that the symptomatology of SARS-CoV-2 is variable, asymptomatic cases were found. There is a high incidence of different symptoms such as: fever, dry cough, tiredness. COVID-19 has a 10.2% lethality in Mexico. Among the most common complications were found, pneumonia, heart failure. Several risk factors were observed that can lead to death as an outcome, such as: ATH, obesity, CVD, COPD, cancer and diabetes. In addition to these risk factors there are vulnerability factors such as: inadequate access to clean water and sanitation, inadequate infrastructure, food insecurity, among other.

Conclusions.

The knowledge of the most common symptoms of SARS-CoV-2 disease is a clinically useful tool for improving health care. On the other hand, the presence of comorbidities leads to a significant worsening of the disease, risk and vulnerability factors point to the need for optimization of public health activities.

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