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Vaccine-induced antibodies may be less effective against several new SARS-CoV-2 variants

 E-Mail BOSTON SARS-CoV-2, the virus that causes COVID-19, has mutated throughout the pandemic. New variants of the virus have arisen throughout the world, including variants that might possess increased ability to spread or evade the immune system. Such variants have been identified in California, Denmark, the U.K., South Africa and Brazil/Japan. Understanding how well the COVID-19 vaccines work against these variants is vital in the efforts to stop the global pandemic, and is the subject of new research from the Ragon Institute of MGH, MIT and Harvard and Massachusetts General Hospital. In a study recently published in

12 March 2021 Coronavirus Charts and News: New Studies Show CDC-Sanctioned Surgical Masks Not Effective Enough For Front-Line Health Care Workers COVID-19 Testing Supply Shortages Disrupt 45% of Laboratories

The U.S. new cases 7-day rolling average are 14.5 % LOWER than the 7-day rolling average one week ago and U.S. deaths due to coronavirus are now 17.6 % LOWER than the rolling average one week ago. Today s posts include: U.S. Coronavirus New Cases are 49,356 U.S. Coronavirus deaths are at 1,557 U.S. Coronavirus immunizations have been administered to 29.4 % of the population The 7-day rolling average rate of growth of the pandemic shows new cases improved and deaths worsened The Real Reasons Why Millions Of Americans Will Defy Covid Mandates And Vaccines To Extract More Doses per Vial, Vaccinators Put Squeeze on FDA to Relax Vaccine Handling Advice

Potency of neutralizing antibodies predicts COVID-19 severity and survival

Potency of neutralizing antibodies predicts COVID-19 severity and survival Understanding the body s immune response to SARS-CoV-2, the virus that causes COVID-19, is key to developing effective treatments and long-lasting vaccines. Of particular interest are neutralizing antibodies, which can block the virus from entering and infecting human cells, helping the immune system clear the virus and prevent future infections. Scientists at the Ragon Institute of MGH, MIT and Harvard, publishing in the journal Cell, show that the potency of neutralizing antibodies which developed in COVID-19 patients was significantly reduced in those with severe or fatal disease compared to patients with milder infections.

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