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Home / Health News / COVID-19: Wearing a face mask will not lead to false sense of security, say experts

COVID-19: Wearing a face mask will not lead to false sense of security, say experts

According to a new study, wearing a face covering does not lead to a false sense of security or make people less cautious about good hand hygiene.

By: Jahnavi Sarma   | | Updated: July 29, 2020 9:31 am
Tags: Coronavirus  coronavirus outbreak  COVID-19 Face Masks  Face mask  
COVID-19
At least 22 systematic reviews have assessed the effect of wearing a mask on the transmission of respiratory virus infections.

While it is not clear how much of an effect face-covering can have, scientists have urged policymakers to encourage wearing of face coverings because the risks are minimal while the potential impact is important in the context of the COVID-19 pandemic. According to a new study from University of Cambridge and King’s College London, wearing a face covering does not lead to a false sense of security or make people less cautious about good hand hygiene. The study, published in the journal BMJ Analysis, is based on examination of the scientific evidence available on mask-wearing, in the context of respiratory virus infections. Also Read - Maharashtra records over 10,000 new coronavirus cases, highest since October

Change from earlier belief

Early in the pandemic, the World Health Organisation (WHO) warned that wearing face coverings could create a false sense of security that can lead to neglecting other essential measures such as hand hygiene practices. This type of behaviour is known as ‘risk compensation’. According to researchers, the concept of ‘risk compensation’ itself is the greater threat to public health as it may discourage policymakers from implementing potentially effective measures, such as wearing face coverings. Also Read - COVID-19 antibodies, vaccines less effective against coronavirus variants: Study



Face masks and concept of risk compensation

For the results, the research team examined the evidence of risk compensation to see whether concerns might be justified in the context of face masks to reduce transmission of SARS-CoV-2. The idea behind risk compensation is that people have a target level of risk they are comfortable with and they adjust their behaviour to maintain that risk level. At an individual level, risk compensation is commonplace. For example, people run for longer to offset an eagerly anticipated indulgent meal and a cyclist may wear a helmet to cycle at speed. Also Read - Corona passport: Not recommended but may be unavoidable, says WHO

Effect of face masks on social distancing

According to the study, at a population level, evidence for risk compensation is less clear. At least 22 systematic reviews have assessed the effect of wearing a mask on the transmission of respiratory virus infections. These include six experimental studies, involving over 2,000 households in total – conducted in community settings that also measured hand hygiene. While none of the studies was designed to assess risk compensation or looked at social distancing, their results suggest that wearing masks does not reduce the frequency of handwashing or hand sanitising.

In fact, in two studies, self-reported rates of handwashing were higher in the groups allocated to wearing masks. The team also found three observational studies that showed people tended to move away from those wearing a mask, suggesting that face coverings do not adversely affect physical distancing at least by those surrounding the wearer.

Experts’ view

However, they say that as none of these studies has been peer-reviewed, they should be treated with caution. According to researchers, the concept of risk compensation, rather than risk compensation itself, seems the greater threat to public health through delaying potentially effective interventions that can help prevent the spread of the disease.

(With inputs from IANS)

Published : July 28, 2020 4:52 pm | Updated:July 29, 2020 9:31 am
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