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Jun 13: Requiring the wearing of masks to prevent the spread of the novel coronavirus in areas at the epicenter of the global pandemic may have prevented tens of thousands of infections, a new study suggests.

Mask-wearing is even more important for preventing the virus' spread and the sometimes deadly COVID-19 illness it causes than social distancing and stay-at-home orders, researchers said, in the study published in PNAS: The Proceedings of the National Academy of Sciences of the USA.

Infection trends shifted dramatically when mask-wearing rules were implemented on April 6 in northern Italy and April 17 in New York City - at the time among the hardest hit areas of the world by the health crisis - the study found.

"This protective measure alone significantly reduced the number of infections, that is, by over 78,000 in Italy from April 6 to May 9 and over 66,000 in New York City from April 17 to May 9," researchers calculated.

When mask-wearing went into effect in New York, the daily new infection rate fell by about 3% per day, researchers said. In the rest of the country, daily new infections continued to increase.

Direct contact precautions - social distancing, quarantine and isolation, and hand sanitizing - were all in place before mask-wearing rules went into effect in Italy and New York City. But they only help minimize virus transmission by direct contact, while face covering helps prevent airborne transmission, the researchers say.

"The unique function of face covering to block atomization and inhalation of virus-bearing aerosols accounts for the significantly reduced infections," they said. That would indicate "that airborne transmission of COVID-19 represents the dominant route for infection."

The U.S. Center for Disease Control and Prevention on Friday urged organizers of large gatherings that involve "shouting, chanting or singing to strongly encourage the use of cloth face coverings to lower the risk of spreading the coronavirus."

The Retailers Association of India (RAI) has said that ad hoc lockdowns by state governments are impacting the businesses of already-stressed retailers, along with hurting the economic revival of the country.

In a statement, the body of the organised retail industry said that the long road to recovery for the Indian retail industry continues to meet stumbling blocks with numerous restrictions being imposed at the state and local levels.

"Total lockdowns in some places and limited operational hours and days in several others are creating setbacks for retailers as the already stressed retail businesses are getting further interrupted and in turn, dampening consumer sentiment," it said.

According to RAI, although the intentions are that of citizen safety and social distancing, the recent instances of local lockdowns and ad hoc restrictions being imposed in Uttar Pradesh, Maharashtra, Andhra Pradesh and Karnataka are having a distressing impact on retail businesses.

Retailers are already facing huge setbacks in terms of payment of wages and rentals due to very low sales of about 40 per cent as compared to last year, thanks to the extended lockdown, it said.

Contesting the restrictions on operating hours, Sandeep Kataria, CEO, Bata India said: "Restricted shopping time can lead to unnecessary overcrowding of stores, which is unfavourable towards the personal safety of both store staff and customers. Longer operational hours will support recovery for retailers as well as help adhering to social distancing norms."

Arvind Mediratta, MD and CEO, METRO Cash & Carry India said that these lockdowns will create severe inconvenience for all citizens as they also bar operations of food and grocery retail and wholesale stores.

Such hastily-implemented decisions by states undermine investor confidence and would come in the way of making the country "aatmanirbhar" or self-reliant, he said.

Voicing the concerns of retailers, the RAI has submitted representations to various state and local authorities that puts forth recommendations to get businesses and life of consumers on the track to recovery.

It has said that authorities should mandatorily allow essential shops including kiranas, general trade shops, supermarkets, hypermarkets and wholesalers to operate every day of the week until 9 p.m. to cater to the daily needs of the customers.

It has also sought ensuring uniform and regular opening of all categories of retail for full working hours while following stringent hygiene practices and adhering to social distancing norms. This will help avoid overcrowding outside stores as demand will get distributed over all days of the week, it said.

The industry body has also asked the local authorities to open malls in all states. Malls can ensure a safe shopping experience wherein safety measures are taken by both, the mall authorities and the retailers, it said.

Kumar Rajagopalan, CEO, RAI, said: "The need of the hour is concerted efforts by all stakeholders. While retailers are doing their bit by following stringent hygiene practices, the policymakers too need to support to ensure economic revival across the country. Consumption is important for the country and supports the business environment."

New Delhi, July 4: India on Friday reported its highest single-day spike of COVID-19 cases with 22,771 cases reported in the last 24 hours, said the Union Ministry of Health and Family Welfare.

With these new cases, India's coronavirus cases tally has gone up to 6,48,315, out of which there are 2,35,433 active cases in the country and 3,94,227 cases have been cured/discharged or migrated.

As many as 442 deaths due to COVID-19 have been reported in the last 24 hours taking the number of patients succumbing to the deadly virus across the country to 18,655.

As per the Union Health Ministry, Maharashtra -- the worst affected state due to COVID-19 -- has a total of 1,92,990 cases which is inclusive of 8,376 deaths. Meanwhile, Tamil Nadu, the second worst-affected state, has a total of 1,02,721 cases and 1,385 fatalities. Delhi's tally of coronavirus cases stands at 94,695 which is inclusive of 2923 deaths due to the virus.

The Centre said that the recovery rate has further improved to 60.80 per cent. The recoveries/deaths ratio is 95.48 per cent : 4.52 per cent.

The Indian Council of Medical Research, earlier on Saturday, said that the total number of samples tested up to July 3 is 95,40,132, out of which 2,42,383 samples were tested yesterday.