Tuesday, Sep 29, 2020 | Last Update : 01:17 PM IST

189th Day Of Lockdown

Maharashtra1351153104994735751 Andhra Pradesh6811616123005745 Tamil Nadu5863975307089383 Karnataka5824584697508641 Uttar Pradesh3908753312705652 Delhi2730982407035272 West Bengal2505802198444837 Odisha212609177585866 Telangana1872111564311107 Kerala179923121264698 Bihar178882164537888 Assam169985139977655 Gujarat1332191132403417 Rajasthan1288591077181441 Haryana1237821059901307 Madhya Pradesh117588932382207 Punjab107096840253134 Chhatisgarh9856566860777 Jharkhand7770964515661 Jammu and Kashmir69832495571105 Uttarakhand4533233642555 Goa3107125071386 Puducherry2548919781494 Tripura2412717464262 Himachal Pradesh136799526152 Chandigarh112128677145 Manipur9791760263 Arunachal Pradesh8649623014 Nagaland5768469311 Meghalaya5158334343 Sikkim2707199431 Mizoram178612880
  Science   31 Jul 2020  Does physical distancing help? Study says it prevented 1.5 million infections in two weeks

Does physical distancing help? Study says it prevented 1.5 million infections in two weeks

PTI
Published : Jul 31, 2020, 1:59 pm IST
Updated : Jul 31, 2020, 1:59 pm IST

Countries with nation-wide social distancing policies had significantly reduced community mobility than those without policies

Visitors watch while maintaining social distancing during a re-enactment ceremony of the changing of the Royal Guard at the Gyeongbok Palace, one of South Korea's well-known landmarks, in Seoul, South Korea. (AP)
 Visitors watch while maintaining social distancing during a re-enactment ceremony of the changing of the Royal Guard at the Gyeongbok Palace, one of South Korea's well-known landmarks, in Seoul, South Korea. (AP)

Washington: Implementation of physical distancing policies nationally is associated with significant reductions in the transmission of the SARS-CoV-2 virus, that causes COVID-19, and reduced community mobility, according to researchers, including one of Indian origin.

The study, published in the journal PLOS ONE on Thursday, found that physical distancing policies enacted nationally in 46 countries prevented an estimated 1.57 million cases of COVID-19 over a two-week period, representing a 65 per cent reduction in new cases.

 

The researchers emphasise the significant benefits that can be achieved by individuals practising social distancing measures.

"From our data-driven analysis, it became clear that practising social distancing can have a huge impact on transmission rates," said Raghu Kalluri, a professor at The University of Texas MD Anderson Cancer Center in the US.

Analysing the effects of social distancing policies globally, the researchers were able to obtain sufficient data for 46 countries with national social distancing policies, 74 nations without such policies and 14 with regional policies.

The data indicate that significantly greater reductions in transmission were seen in countries after implementing a national social distancing policy compared to those with regional policies or a matched time frame in countries without policies, the researchers said.

 

No significant difference was observed between countries with regional policies and those without social distancing policies, they said.

Countries with any social distancing policies had significantly reduced community mobility relative to nations without policies, and those with national policies saw greater decreases than countries with regional policies, according to the researchers.

"There was a strong correlation between decreased mobility and decreased transmission of the virus, highlighting the importance of individuals practising social distancing to effectively prevent transmission of the virus," they said.

"This is clear evidence that social distancing measures can collectively have tremendous impacts on reducing transmission of SARS-CoV-2, and we encourage individuals to practice social distancing to help control the spread of infections," said Kalluri.

 

"We believe these data will provide useful evidence for public health officials and policymakers when considering future measures to reduce the spread of COVID-19 in their communities," he said.

The researchers acknowledge the study is limited by a reliance on direct COVID-19 testing, which may underestimate prevalence.

They also focused on spread rates following implementation of social distancing policies as an internal control for the numerous additional factors likely contributing to spread rates.

Tags: social distancing, communal mobility, social distancing success rate, nation-wide policies, coronavirus queries