Never miss a story

Get subscribed to our newsletter


×
Masks will continue to be an effective precaution against COVID-19 infection. Pixabay

Researchers have found under which conditions and in which ways, masks actually reduce individual and population-average risks of being infected with Covid-19 and help mitigate the coronavirus pandemic.

The study, led by researchers from the Max Planck Institute for Chemistry in Germany’s Mainz, showed that in most environments and situations, even simple surgical masks effectively reduce the transmission of SARS-CoV-2 and the effective reproduction number for Covid-19.


Follow NewsGram on Facebook to stay updated.

“For the airborne transmission of SARS-CoV-2, we find that usually just a minor fraction of exhaled respiratory particles contain viruses. Most environments and contacts are under virus-limited conditions, wear face masks, including simple surgical masks, have a high efficacy in preventing the spread of Covid-19,” said Yafang Cheng, the head of the Minerva Research Group at Max Planck.


Face masks, including simple surgical masks, have a high efficacy in preventing the spread of Covid-19. Pixabay

In environments with potentially high airborne virus concentrations such as medical settings and densely occupied indoor spaces, masks with higher filtration efficiency (N95/FFP2) should be used and combined with other protective measures such as intensive ventilation. In most situations, even simple surgical masks are effective.

“The combination of high-efficiency masks with other protective measures is particularly important for hospitals, medical centers, and other indoor environments, where high-risk patients may encounter high virus concentrations,” said Christian Witt, head of the Research Area Pneumology at the Charite Universitatsmedizin Berlin.

“Masks will remain an important protective measure against SARS-Cov-2 infection — even for vaccinated persons, especially when the protection provided by vaccination decreases over time,” Witt said.


The combination of high-efficiency masks with other protective measures may encounter high virus concentrations. Pixabay

For the study, published in the journal Science, the team used observational data and a novel quantitative model of airborne virus exposure to elucidate how the efficacy of face masks depends on characteristic regimes of airborne virus concentration.

ALSO READ: Is Mask Kissing Safe In A Partially Vaccinated World?

The approach can be used to assess protection against more infectious mutants of Covid. It is also applicable to a wide range of respiratory viruses and diseases, including coronaviruses, rhinoviruses, and influenza.

The findings showed that aerosol transmission does not necessarily lead to very high reproduction numbers as observed for measles and that relatively low reproduction numbers do not rule out airborne transmission. (IANS/KB)

(importance of face masks, wear a mask, how to protect yourself and others, protection against coronavirus, why to use mask)


Popular

Photo by Alexander Popov on Unsplash

Iconic brand Johnnie Walker, is all set to re-energize the country's after-hour culture.

With the festive season on in full swing, iconic brand Johnnie Walker, is all set to re-energize the country's after-hour culture. Through its one-of-a-kind campaign #RevibeTheNight, the brand brings together beloved music artists like Divine, Ritviz, Lisa Mishra, Taba Chake along with popular indie bands like When Chai Met Toast and Mad Boy Mink, among others to perform live across iconic community spaces in India.

The collaborative effort by Johnnie Walker aims to bring back the after-hour culture through live performances across popular hotspots in India. The brand's goal is drive social regeneration in India and bring back the vibe of socializing through local music artists and reignite the trade, driving social culture by executing the live events with Covid measures in place and a limited capacity audience capacity.

band performing on stage in front of people The collaborative effort by Johnnie Walker aims to bring back the after-hour culture through live performances across popular hotspots in India. | Photo by Vishnu R Nair on Unsplash

Keep Reading Show less
Photo by Alexander Shatov on Unsplash

Twitter has confirmed that its algorithms amplify right-leaning political content.

By Nikhila Natarajan

In a continuing study on the effects of machine learning (ML) on public conversation, Twitter has confirmed that its algorithms amplify right-leaning political content. "In six out of seven countries - all but Germany - tweets posted by accounts from the political right receive more algorithmic amplification than the political left when studied as a group," Twitter blogged.

"Right-leaning news outlets, as defined by the independent organisations, see greater algorithmic amplification on Twitter compared to left-leaning news outlets." Since 2016, Twitter users are able to choose between viewing algorithmically ordered tweets first in their home timeline or viewing the most recent tweets in reverse chronological order.

"An algorithmic home timeline displays a stream of tweets from accounts we have chosen to follow on Twitter, as well as recommendations of other content Twitter thinks we might be interested in based on accounts we interact with frequently, tweets we engage with, and more. "As a result, what we see on our timeline is a function of how we interact with Twitter's algorithmic system, as well as how the system is designed."

The new research is based on tweets of elected officials of House of Commons members in Canada, the French National Assembly, the German Bundestag, House of Representatives in Japan, Congress of Deputies of Spain, House of Commons in the UK, and official and personal accounts of House of Representatives and Senate members in the US, as well as news outlets, from April 1 to August 15, 2020.

gold Apple iPhone 6s displaying Twitter logo Tweets about political content from elected officials, regardless of party or whether the party is in power, do see algorithmic amplification when compared to political content on the reverse chronological timeline. | Photo by Sara Kurfeß on Unsplash

Keep Reading Show less
Flickr

Snapdeal co-founder and COO Rohit Bansal on Friday lauded a man who facilitated 64 registrations for the vaccine on the CoWin portal.

Even as India celebrates reaching a milestone of 100 crore Covid vaccine doses, Snapdeal co-founder and COO Rohit Bansal on Friday lauded a man who facilitated 64 registrations for the vaccine on the CoWin portal. In a video shared on his Facebook and Twitter page, Bansal hailed Sonu Kumar as a "citizen celebrity".

Bansal said that Kumar not only helped "just co-workers and family but complete strangers too. With patience, empathy and uncanny jugaad". He added that Kumar joined him "many moons ago" and completed his open school from a parking lot.

"Education has helped this wonderful man enable others to get India back on track. Bravo! The CoWin portal on Thursday mentioned that a total of 100 crore vaccine doses has been administered so far to the eligible population under the vaccination drive in India, nine months after the nationwide inoculation programme was started to protect the people against Covid-19.

"It's a cause of significant celebration and happiness," Bansal said in the video. He said that while people just help a few around them, Kumar "bridged the digital gap" for 64 people, who were finding it difficult to register themselves online on the vaccine portal. Kumar said he doesn't feel that he has contributed much towards the 100 crore vaccine dose count. "I have been able to help only 64 people, if I was able to help more I would have been happier." (IANS/ MBI)


Keep reading... Show less