Delta variant may spread as easily as chickenpox, cause more severe infection: Reports
New York, Jul 30: The Delta variant of the coronavirus may cause more severe illness than all other known versions of the virus and spread as easily as chickenpox, media reports quoting an internal document from the US health authority said.
The document from the Centers for Disease Control and Prevention (CDC) outlines unpublished data that shows fully vaccinated people might spread the Delta variant, first identified in India, at the same rate as unvaccinated people, reports said.
The contents of the document a slide presentation were first reported by The Washington Post on Thursday.
Dr Rochelle P Walensky, the director of the CDC, acknowledged on Tuesday that vaccinated people with so-called breakthrough infections of the Delta variant carry just as much virus in the nose and throat as unvaccinated people and may spread it just as readily, if less often.
But the internal document lays out a broader and even grimmer view of the variant.
The Delta variant is more transmissible than the viruses that cause MERS, SARS, Ebola, the common cold, the seasonal flu and smallpox, and it is as contagious as chickenpox, according to the document, a copy of which was also obtained by The New York Times.
The Delta variant originally known as B.1.617.2 might cause more severe disease, according to the document.
The immediate next step for the agency is to acknowledge the war has changed, the document said.
The document's tone reflects alarm among CDC scientists about Delta's spread across the country, the NYT quoted a federal official, who has seen the research described in the document, as saying.
The agency is expected to publish additional data on the deadly variant on Friday.
The CDC. is very concerned with the data coming in that Delta is a very serious threat that requires action now, the official said.
There are roughly 35,000 symptomatic infections per week among 162 million vaccinated Americans, according to data collected by the CDC as of July 24 that was cited in the internal presentation.
But the agency does not track all mild or asymptomatic infections, so the actual incidence may be higher.
Infection with the Delta variant produces virus amounts in the airways that are tenfold higher than what is seen in people infected with the Alpha variant, which is also highly contagious, the document noted.
The amount of virus in a person infected with Delta is a thousandfold more than what is seen in people infected with the original version of the virus, according to one recent study.
The CDC document relies on data from multiple studies, including an analysis of a recent outbreak in Provincetown, Massachusetts, which began after the town's Fourth of July festivities.
Walensky told CNN that the Delta variant "is one of the most transmissible viruses we know about. Measles, chickenpox, this -- they're all up there."
And she said everyone in schools students, staff and visitors should wear masks at all times.
"The measures we need to get this under control they're extreme. The measures you need are extreme," Walensky said.
"The bottom line was that, in contrast to the other variants, vaccinated people, even if they didn't get sick, got infected and shed virus at similar levels as unvaccinated people who got infected," Walter Orenstein, who heads the Emory Vaccine Center and who viewed the documents, told CNN.
But vaccinated people are safer, the document indicates.
"Vaccines prevent more than 90 per cent of severe disease, but may be less effective at preventing infection or transmission," it reads.
"Therefore, more breakthrough and more community spread despite vaccination," the document adds.
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Karnataka cabinet approves formation of separate Dharwad Municipal Corporation
Bengaluru: The Karnataka Cabinet has approved a formation of separate Dharwad city corporation. Alongside, a 15% hike in fares across the four state transport corporations was also approved. The revised fares will come into effect on January 5.
Law and Parliamentary Affairs Minister H.K. Patil, addressing the media at the Committee Hall of Vidhana Soudha, provided details about the decision. He explained that the last fare revision for BMTC was a decade ago when diesel cost Rs 60.98 per litre. Since then, operational costs have risen significantly.
Diesel expenditure for the four corporations has increased from Rs 9.16 crore to Rs 13.21 crore, and personnel costs have grown from Rs 12.85 crore to Rs 18.36 crore. The daily operational burden now stands at Rs 9.56 crore. The fare hike is expected to generate an additional Rs 74.85 crore in monthly revenue without burdening the state exchequer, as Rs 5,015 crore has already been allocated for the Shakti Yojana this fiscal year.
Minister Patil announced that the Cabinet has decided to bifurcate the Hubballi-Dharwad Municipal Corporation into two independent municipal bodies.
The Cabinet approved the construction of a fishing port in Hejamady village, Udupi, with a revised estimate of Rs 209.13 crore. Additionally, Rs 84.57 crore has been sanctioned for the modernization and dredging of fishing ports.
In a move to strengthen cow shelters, Rs 10.50 crore has been allocated for projects in 14 districts. The Cabinet also approved constructing a building for Visvesvaraya Technical University in Chikkaballapur district at Rs 149.75 crore.
The Cabinet sanctioned a state-of-the-art bus stand in Bannimantap, Mysuru, at a cost of Rs 120 crore. Spread over 14 acres, the facility will include a divisional office, bus units, and commercial shops.
Approval was also granted to utilize Rs 137.85 crore, provided by the Union Finance Ministry under the Special Capital Assistance Scheme, for capital expenditure.
The Kalyana Karnataka Regional Development Board will use Rs 56.92 crore from its SCP/TSP scheme to supply bed sheets, mosquito nets, and clothing to government residential schools and hostels.
The Cabinet approved Rs 100 crore to construct new buildings for 200 veterinary institutions currently housed in rented or dilapidated structures, using NABARD assistance.
In Davangere, a site was allotted to the Karnataka Working Journalists' Association for constructing a civic facility. A plot in Avaragere village was also leased for 30 years at a concessional rate to Nayaka Vidyarthi Nilaya.
