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The document from the Centers for Disease Control and Prevention (CDC) outlines unpublished data that shows fully vaccinated people might spread the Delta variant, first identified in India, at the same rate as unvaccinated people, reports said.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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VCK urges CM Vijay to enact stringent law against superstitious practices
Chennai (PTI): VCK MLA Vanni Arasu on Wednesday urged the newly formed Tamil Nadu government to enact a stringent law against superstitious practices, citing similar legislations in Karnataka and Maharashtra to curb exploitation in the name of black magic and rituals.
VCK, which won two seats in the 2026 Assembly election, has offered support to TVK to form a government during the floor test.
Speaking during the discussion on the confidence motion in the Assembly, Arasu highlighted that states like Bihar, Jharkhand, Chhattisgarh, Odisha, and Rajasthan already have laws against witchcraft and sorcery.
"From 2013 in Maharashtra and 2020 in Karnataka, laws providing imprisonment for those who deceive through superstitious means have been in practice," he stated. The party noted that rationalist Narendra Dabholkar had fought for such a law in Maharashtra before being murdered by "Sanatana terrorists".
The VCK MLA further called on the government to prioritise scientific temper over beliefs in astrology and sorcery.
"Our government should give priority to projects that develop science without giving room for superstitions like astrology and black magic," Arasu said, citing Article 51A of the Indian Constitution, which defines the development of scientific temper as a fundamental duty of every citizen.
The party demanded a special law to prevent honour killings as well, which Arasu claimed are rising in Tamil Nadu as they once did in North Indian states.
The government was also urged to enact legislation protecting the "200-point roster system" for SC/ST employee promotions, utilising powers under Article 16(4A) of the Constitution.
Highlighting the recent arrest of 40 Tamil Nadu fishermen by the Sri Lankan Navy, the VCK sought a permanent solution to protect them from such attacks.
The party called on the state government to take initiatives toward the "right of Eelam Tamils to rule themselves" and requested that the state officially observe May 18 as International Genocide Day.
