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Virus transfer at the skin-liquid interface and its associated risks

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Contact networks across ages: computational analysis of epidemiological dynamics

Gianrocco Lazzari

For decades mathematical modeling in epidemiology has helped understanding the dynamics of infectious diseases, as well as describe possible intervention scenarios to prevent and control them. However, such models were relying on several assumptions, such ...

EPFL2020

Biological fluid dynamics of airborne COVID-19 infection

Andrea Rinaldo

We review the state of knowledge on the bio-fluid dynamic mechanisms involved in the transmission of the infection from SARS-CoV-2. The relevance of the subject stems from the key role of airborne virus transmission by viral particles released by an infect ...

2020

STeCC: Smart Testing with Contact Counting Enhances Covid-19 Mitigation by Bluetooth App Based Contact Tracing

David Jenny

SARS-CoV2 spread is hard to control, as asymptomatic people contribute to transmission. Currently, Covid-19 mitigation imposes social distancing and isolates the diseased. This slows down virus spread, eases stress on health care systems and thereby reduce ...

2020

Inhibition of influenza virus activity by the bovine seminal plasma protein PDC-109

Christian Sieben

A number of viruses causing sexually transmissible diseases are transmitted via mammalian seminal plasma. Several components of seminal plasma have been shown to influence those viruses and their physiological impact. To unravel whether components of semin ...

SPRINGER2019

Transfer of enteric viruses (adenovirus and coxsackievirus) and bacteriophage (MS2) from liquid to human skin

Tamar Kohn, Timothy R. Julian

Indirect exposure to waterborne viruses increases risk of infection, especially amongst children with frequent hand-to-mouth contacts. Here, we quantified the transfer of one bacteriophage (MS2) and two enteric viruses (adenovirus and coxsackievirus) from ...

2018

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The implementation of multiplexed point-of-care biosensors is a top priority to address the current epidemic problems originated by widespread pathogenic infections, like those caused by viruses or bacteria. A rapid and accurate detection, identification, ...

SPIE-INT SOC OPTICAL ENGINEERING2018

Pepper mild mottle virus as a water quality indicator

Pepper mild mottle virus (PMMoV) was recently found to be the most abundant RNA virus in human feces, and is a plant virus belonging to the genus Tobamovirus in the family Virgoviridae. When in human feces, it is of dietary origin from peppers and their pr ...

NATURE PUBLISHING GROUP2018

Virus transfer at the skin-liquid interface

Tamar Kohn, Timothy R. Julian

Understanding virus transfer between liquid and skin is necessary to estimate transmission during water-related activities. In the present study, we modeled virus transfer from liquid-to-skin and skin-to-liquid. Specifically, we performed human subject stu ...

Amer Chemical Soc2017

Multi-resistance of human enterovirus to UV-C disinfection and mutagenic nucleoside analogs

Tamar Kohn, Anna Carratala Ripolles, Virginie Bachmann, Qingxia Zhong

Disinfection is an important strategy to control the environmental transmission of human viruses. Specifically, UV254 is increasingly used to disinfect from clinical items or surfaces to drinking water. RNA virus populations have high mutation rates and la ...

2016

Ammonia as an in-situ sanitizer: influence of virus genome type on inactivation

Tamar Kohn, Loïc Decrey, Shinobu Kazama

Treatment of human excreta and animal manure (HEAM) is key in controlling the spread of persistent enteric pathogens such as viruses. The extent of virus inactivation during HEAM storage and treatment appeared to vary with virus genome type, though the rea ...

American Society for Microbiology2016