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Airborne transmission of SARS-CoV-2 is the dominant route of transmission: Droplets and aerosols

  • Ali A. Rabaan
  • , Shamsah H. Al-Ahmed
  • , Maysaa K. Al-Malkey
  • , Roua A. Alsubki
  • , Sayeh Ezzikouri
  • , Fadel Hassan Al-Hababi
  • , Ranjit Sah
  • , Abbas Al Mutair
  • , Saad Alhumaid
  • , Jaffar A. Al-Tawfiq
  • , Awad Al-Omari
  • , Ayman M. Al-Qaaneh
  • , Manaf Al-Qahtani
  • , Raghavendra Tirupathi
  • , Mohammad A. Al Hamad
  • , Nadira A. Al-baghli
  • , Tarek Sulaiman
  • , Arwa Alsubait
  • , Rachana Mehta
  • , Elfadil Abass
  • Maha Alawi, Fatimah Alshahrani, Dhan Bahadur Shrestha, Mohmed Isaqali Karobari, Samuel Pecho-Silva, Kovy Arteaga-Livias, D. Katterine Bonilla Aldana, Alfonso J. Rodriguez-Morales

Research output: Contribution to journalOriginal Articlepeer-review

76 Scopus citations

Abstract

Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS- CoV-2) has become a pandemic worldwide. On a daily basis the number of deaths associated with COVID- 19 is rapidly increasing. The main transmission route of SARS-CoV-2 is through the air (airborne transmission). This review details the airborne transmission of SARS-CoV-2, the aerodynamics, and different modes of transmission (e.g. droplets, droplet nuclei, and aerosol particles). SARS-CoV-2 can be transmitted by an infected person during activities such as expiration, coughing, sneezing, and talking. During such activities and some medical procedures, aerosols and droplets contaminated with SARS-CoV-2 particles are formed. Depending on their sizes and the environmental conditions, such particles stay viable in the air for varying time periods and can cause infection in a susceptible host. Very few studies have been conducted to establish the mechanism or the aerodynamics of virus-loaded particles and droplets in causing infection. In this review we discuss the various forms in which SARS- CoV-2 virus particles can be transmitted in air and cause infections.

Original languageAmerican English
Pages (from-to)10-19
Number of pages10
JournalInfezioni in Medicina
Volume29
Issue number1
StateIndexed - 2021
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2021, EDIMES Edizioni Medico Scientifiche. All rights reserved.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Aerosol
  • Airborne transmission
  • COVID-19
  • Droplets
  • SARS-CoV-2

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