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One is safer in rooms with large volume and high ventilation rates. Pixabay

Are you maintaining a distance of two meters with your colleagues at work, co-passengers in public transport? You may still be at risk of contracting the Covid infection, says a study. Researchers from the Massachusetts Institute of Technology, in the US, stated that the two-meter rule was originally developed when the prevailing belief was that Covid-19 transmission occurred solely through heavier droplets projected from the mouth and nose during the speech, coughing, and sneezing, CTVnews.ca reported.

However, scientists have now been increasingly speaking about the role of aerosols, smaller particles that linger in the air longer, in Covid-19 transmission. “The importance of airborne transmission of Covid-19 is now widely recognized,” researchers, including Martin Z Bazant, from the varsity’s Department of Chemical Engineering, were quoted as saying.


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The study, published in the journal PNAS, showed that the amount of time that it is safe to spend in an indoor space depends on a number of factors, such as face-mask usage, the size of the space, and the amount of ventilation, the report said. “To minimize the risk of infection, one should avoid spending extended periods in highly populated areas,” the researchers stated.

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“One is safer in rooms with large volume and high ventilation rates. One is at greater risk in rooms where people are exerting themselves in such a way as to increase their respiration rate and pathogen output, for example, by exercising, singing, or shouting,” they added.

The team developed a theoretical model based on an airborne transmission that offers an understanding of how long can an uninfected person be safe in an indoor location with an infected person. They also looked at how different respiratory activity, such as singing, speaking and breathing, contributed to the overall amount of exhaled particles, and thus the potential amount of pathogens expelled. (IANS/JC)


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Photo by GOI.

On the first day of the two-day meeting of BJP and Rashtriya Swayamsevak Sangh (RSS) leaders on Tuesday, discussions were held on important issues related to education and the National Education Policy-2020

On the first day of the two-day meeting of BJP and Rashtriya Swayamsevak Sangh (RSS) leaders on Tuesday, discussions were held on important issues related to education and the National Education Policy-2020. Apart from senior RSS leader Suresh Soni, representatives of various organisations associated with the Sangh Parivar -- working in the field of education -- were present in the meeting in New Delhi.

According to sources, Union Education Minister Dharmendra Pradhan, who attended the meeting on behalf of the government, shared information related to the National Education Policy-2020 and the government's policy on important issues related to the education sector. Pradhan also shared details of the efforts being made by the government in the field of education.

Discussions were also held regarding the impact of the situation arising out of Corona and how much it has affected the education sector. In the meeting, the RSS leaders asked several questions and provided suggestions to the Union Minister regarding the education policy of the government.

According to the sources, RSS wants the policy to be implemented expeditiously. All aspects related to the policy were discussed in Tuesday's meeting. On the second and the last day of the meeting on Wednesday, special issues related to education will be discussed in which representatives of various organisations of the Sangh, Union Ministers and several BJP leaders will be take part.

Meanwhile, in order to convey its point of view to the government on various issues, the Sangh keeps on calling such coordination meetings related to specific issues, in which RSS representatives -- working in that particular area -- provide feedback to the government. (IANS/JB)


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