Coinfections and comorbidities observed in COVID-19 during the influenza season in the pediatric patient.

Objective: To evaluate if the comorbidity and coinfections presented by SARS-CoV-2 infection vs. COVID-19 impact our Mexican children.

Method: Prospective and observational study that included the 2020-2021 peak influenza season.

[Seroprevalence of risk factors associated with rickettsiosis (Rickettsia rickettsii) in humans in Baja California, Mexico].

Introduction: Rickettsiosis caused by Rickettsia rickettsii is capable of infecting vertebrates, including humans. The symptoms are high fever, headache, myalgia, nausea, vomiting, abdominal pain, and cough. Mortality can be up to 30% in untreated patients.