Background: vaccine hesitancy is defined as a delay in the acceptance or refusal of
vaccination, even though immunisation is a determinant in reducing the mortality and …

The COVID-19 disease caused by the severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) virus started its deadly journey into a global pandemic in Wuhan, China, in …

During the coronavirus disease 2019 (COVID-19) pandemic, the emergence and rapid
increase of the B. 1.1. 7 (Alpha) lineage of severe acute respiratory syndrome coronavirus 2 …

In this study, we analyzed the sequences of SARS-CoV-2 isolates of the Delta variant in
Mexico, which has completely replaced other previously circulating variants in the country …

People with comorbidities and the male sex are at a higher risk of developing severe COVID-
19. In the present study, we aim to investigate the associated factors for infection, severity …

Introduction The variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
have been classified into variants of interest (VOIs) or concern (VOCs) to prioritize global …

OBJECTIVES: To investigate mortality and management of mechanically ventilated patients
in temporary ICUs. DESIGN, SETTING, AND PARTICIPANTS: Observational cohort study in …

Background: Respiratory failure in severe coronavirus disease 2019 (COVID-19) is
associated with a severe inflammatory response. Acetylcholine (ACh) reduces systemic …

Objectives To identify the SARS-CoV-2 variants Delta and Omicron during the fourth wave of
the COVID-19 pandemic in Mexico using samples taken from 19 locations in 18 out of the 32 …

Abstract Over 200 different SARS-CoV-2 lineages have been observed in Mexico by
November 2021. To investigate lineage replacement dynamics, we applied a phylodynamic …