Purpose Evidence to date suggests that having chronic conditions increases the probability
of severe illness from severe coronavirus disease 2019 (COVID-19). Thus, it is essential to …

Background Studies exploring long COVID condition (LCC) in low-and middle-income
countries are scarce. Further characterization of LCC patients experiencing activity …

The COVID-19 pandemic in Brazil has brought many challenges, particularly regarding the
management of hospital capacity, and a new demand for healthcare that added to the …

Introduction: Several reports have emerged describing the long-term consequences of
COVID-19 and its effects on multiple systems. Methods: As further research is needed, we …

Background The restrictions introduced to stop the spread of the COVID-19 virus have also
had a direct impact on people with chronic diseases and especially on diseases to which …

Due to changes in SARS-CoV-2 testing practices, passive case-based surveillance may be
an increasingly unreliable indicator for monitoring the burden of SARS-CoV-2, especially …

Background Immense attention has been given to the outcome of COVID-19 infection.
However, comprehensive studies based on large populational cohort with long-term follow …

Solid estimates describing the clinical course of SARS-CoV-2 infections are still lacking due
to under-ascertainment of asymptomatic and mild-disease cases. In this work, we quantify …

Hispanics are the majority ethnic population in Puerto Rico where we reviewed charts of 109
hospitalized COVID-19 patients to better understand demographic and clinical …

Background People with a previous diagnosis of non-communicable diseases (NCDs) are
more likely to develop serious forms of COVID-19 or die. Mexico is the country with the fourth …