Face masks and social distancing still needed in coronavirus battle, experts say – .

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Face masks and social distancing still needed in coronavirus battle, experts say – .


The researchers drew the conclusions after analyzing studies that assessed the effectiveness of global public health measures in reducing rates of transmission of Covid-19, SARS-CoV-2 and mortality from Covid-19.

The peer-reviewed article, which was published in the British Medical Journal, reviewed 72 studies, of which 35 assessed individual public health measures and 37 assessed multiple public health measures.

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Of the 35 individual measures studies, 34 were observational and one was a randomized controlled trial.
Experts said measures such as mask wearing and social distancing should continue to protect people from Covid-19.
They have been made in Asia, the United States, Europe, the Middle East, Africa, South America and Australia.

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Researchers found that in eight of 35 studies, there was a 53% reduction in Covid-19 rates with mask wearing while there was a 25% reduction with social distancing.
Hand washing also showed a 53% reduction in Covid-19 rates, but the authors say this was not statistically significant after adjusting for the small number of included studies.
Meanwhile, a detailed analysis of other measures – such as lockdowns, border closures, schools and workplaces – was not possible due to differences in study designs, outcome measures and the quality.
They added that there needs to be further evaluation of these measures so that the potential negative effects on general populations can be balanced against the positive results.
Researchers say that while Covid-19 vaccines have been shown to be safe, effective and save lives, most do not offer 100% protection and it is not known how vaccines will prevent future transmissions in different variants.
“Until collective immunity to Covid-19 is achieved, regardless of already high vaccination rates, preventive public health strategies will likely remain the first choice measures in disease prevention, especially in places where vaccination against Covid-19 is low. Said lead author Dr Stella Talic from Monash University, Australia.
Concluding the research, she added, “Current evidence from quantitative analyzes indicates a benefit associated with handwashing, mask wear and physical distancing in reducing the incidence of Covid-19.
The study was conducted by researchers at Monash University and Torrens University in Australia, the University of Edinburgh in Scotland and the Zhejiang University School of Medicine in Hangzhou, China. .

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