Ambient carbon dioxide concentration correlates with SARS-CoV-2 aerostability and infection risk

A Haddrell, H Oswin, M Otero-Fernandez… - Nature …, 2024 - nature.com
An improved understanding of the underlying physicochemical properties of respiratory
aerosol that influence viral infectivity may open new avenues to mitigate the transmission of …

Review of factors affecting virus inactivation in aerosols and droplets

AK Longest, NC Rockey… - Journal of the Royal …, 2024 - royalsocietypublishing.org
The inactivation of viruses in aerosol particles (aerosols) and droplets depends on many
factors, but the precise mechanisms of inactivation are not known. The system involves …

Toward Standardized Aerovirology: A Critical Review of Existing Results and Methodologies

R Groth, S Niazi, HP Oswin, AE Haddrell… - Environmental …, 2024 - ACS Publications
Understanding the airborne survival of viruses is important for public health and
epidemiological modeling and potentially to develop mitigation strategies to minimize the …

Dependence on relative humidity in the formation of reactive oxygen species in water droplets

M Mofidfar, MA Mehrgardi, Y Xia… - Proceedings of the …, 2024 - National Acad Sciences
Water microdroplets (7 to 11 µm average diameter, depending on flow rate) are sprayed in a
closed chamber at ambient temperature, whose relative humidity (RH) is controlled. The …

Physiology or Psychology: What Drives Human Emissions of Carbon Dioxide and Ammonia?

S Yang, G Bekö, P Wargocki, M Zhang… - Environmental …, 2024 - ACS Publications
Humans are the primary sources of CO2 and NH3 indoors. Their emission rates may be
influenced by human physiological and psychological status. This study investigated the …

The microphysics of surrogates of exhaled aerosols from the upper respiratory tract

J Tian, RW Alexander, DA Hardy… - Aerosol Science and …, 2024 - Taylor & Francis
Airborne transmission plays a significant role in the transmission of respiratory diseases
such as COVID-19, for which the respiratory aerosol droplets are responsible for the …

Inactivation Mechanisms of Escherichia coli in Simulants of Respiratory and Environmental Aerosol Droplets

M Otero-Fernandez, RJ Thomas, H Oswin, R Alexander… - Atmosphere, 2024 - mdpi.com
The airborne transmission of disease relies on the ability of microbes to survive aerosol
transport and, subsequently, cause infection when interacting with a host. The length of time …

Tutorial: Electrodynamic balance methods for single particle levitation and the physicochemical analysis of aerosol

RK Kohli, RD Davis, JF Davies - Journal of Aerosol Science, 2023 - Elsevier
Single particle levitation methods are a powerful subset of aerosol instrumentation that allow
a wide range of particle properties and processes to be explored. One of the most common …

An assessment of the airborne longevity of group A Streptococcus

HP Oswin, E Blake, AE Haddrell, A Finn… - …, 2024 - microbiologyresearch.org
Group A streptococcus (GAS) infections result in more than 500 000 deaths annually.
Despite mounting evidence for airborne transmission of GAS, little is known about its stability …

The aerobiological pathway of natural respiratory viral aerosols

JL Santarpia, JP Reid, CY Wu, JA Lednicky… - TrAC Trends in …, 2024 - Elsevier
Aerosols generated from the human respiratory tract containing infectious virus can be
challenging to measure due to a number of factors that impact the infectivity of the virus they …