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J&J Covid-19 shot neutralizes Delta variant, company says
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J&J Covid shot neutralises Delta variant, company says 2 min. today at 06:55
The shot neutralised the delta variant within 29 days of a first dose, and protection matured and improved over time, the company said. The shot neutralised the delta variant within 29 days of a first dose, and protection matured and improved over time, the company said. Photo credit: DPA
Johnson & Johnson said that its single-shot coronavirus vaccine neutralises the fast-spreading delta variant and provides durable protection against infection more broadly.
The company said in a statement Thursday that recipients of its vaccine produced strong neutralising antibodies over the course of at least eight months against all variants including delta, which was first seen in India and has been spreading around the globe.
Manufacturers have been crafting updated versions of their shots to directly target the emerging variants
Johnson & Johnson said that its single-shot coronavirus vaccine neutralizes the fast-spreading delta variant and provides durable protection against infection more broadly.
The company said in a statement Thursday that recipients of its vaccine produced strong neutralizing antibodies over the course of at least eight months against all variants including delta, which was first seen in India and has been spreading around the globe.
Delta is expected to become the dominant strain in the U.S. in the coming weeks, according to the Centers for Disease Control and Prevention. The J&J shot provides less protection initially than messenger RNA vaccines from Pfizer Inc. and Moderna Inc., and experts have been discussing whether some people may need booster shots to keep the virus at bay long-term.
Shot effective against original strain, Beta, Gamma variants The shot neutralized the Delta variant within 29 days of administering the single dose and protection improved over time, the company said. Further, the vaccine is also highly effective against the original coronavirus strain, the Beta, Gamma, Alpha, and Kappa variants, the statement added. Johnson & Johnson s single-dose COVID-19 vaccine was 85 percent effective against severe/critical disease and demonstrated protection against hospitalization and death.
Studies
Results will be published in online depository bioRxiv These results were from two studies, J&J said. The company tested the blood samples of eight participants in its late-stage trial to assess neutralizing antibodies against Delta and other variants.
J&J Covid shot neutralizes Delta variant, company says
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