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Category: T cell memory

Posted on January 1, 2022January 1, 2022

The basis on which India approves precaution dose remains unclear

He said the primary focus of the government was on giving a second dose of the vaccine to make people fully vaccinated. “Administering the second dose of COVID-19 vaccine to…

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Posted on November 27, 2021November 27, 2021

Covaxin elicits immune memory to virus up to six months, study finds

The study has been posted on a preprint server medRxiv. Preprints are yet to be peer-reviewed and published in a scientific journal. The multi-institutional research, which is led by a…

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Posted on April 11, 2021April 11, 2021

COVID-19: Protection against reinfection may last only for months

The first serosurvey was carried out in August-September 2020 and the six-month follow-up was carried out in end-January to February 2021. Widespread asymptomatic infection by mid-September when the daily cases…

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Posted on August 29, 2020August 29, 2020

Pre-existing memory T cells may reduce COVID-19 severity, but do not prevent infection

Pre-existing memory T cells that cross-react with SARS-CoV-2 may only reduce COVID-19 severity cannot prevent infection. The memory T cells are extremely unlikely to prevent SARS-CoV-2 infections. That is just…

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Posted on August 15, 2020August 16, 2020

SARS-CoV-2-specific T cell immunity prevents recurrent severe COVID-19 disease

The immune system elicits robust, broad and highly functional memory T cell responses once a person is infected with novel coronavirus. T cells were found even in the absence of…

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Posted on August 12, 2020

T cell memory that cross-reacts with novel coronavirus does not prevent infection, researcher clarifies

The presence of pre-existing T cell memory against four common cold coronaviruses which cross-reacts with novel coronavirus may not prevent SARS-CoV-2 infection, but at most be able to reduce  the…

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