Related Experiment Video
Updated: Jul 30, 2025

Nasal Brushing Sampling and Processing Using Digital High Speed Ciliary Videomicroscopy – Adaptation for the COVID-19 Pandemic
Published on: November 7, 2020
Early Childhood COVID-19: A Comparative Report of 20,506 Cases
Raha Zamani1, Amir Zare1, Seyedeh Zahra Davoodi2
1From the Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
Abstract:
This report includes a retrospective analysis of 20506 children aged under 6 years old admitted with Coronavirus Disease of 2019 in Iranian hospitals. The total mortality rate was 2.9%, and 5.7% required mechanical ventilation. We demonstrate a higher mortality rate in comparison with existing studies as well as identifying clinical predictors of survival.
Related Concept Videos
Prevalence and Incidence
Prevalence indicates the proportion of individuals in a population who have a specific disease or health...
Relative Risk
Bias in Epidemiological Studies
Principles of Disease Surveillance
Steps in Outbreak Investigation
Socioemotional Development during Infancy
Primary Temperament Types

