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Category: Immunity

Do T-Cells Hold the Key to Long Lasting Immunity from COVID?

  In patients who have confirmed COVID infections, many don’t have detectable levels of antibodies in their blood, yet these same patients do have T-cells with receptor memory specific to the COVID virus.    T-cells may hold the key to long lasting immunity against this virus. As antibodies wane over time, research suggests T-cells confer longer lasting protection from COVID and its variants. Although antibody immunity has received the bulk of attention in COVID cove... Read More
at Wednesday, February 24, 2021

Can Healthy T Cell Function Improve Vaccine Efficacy?

  Although it may be too early to say, some scientists suggest the answer is yes.  In a recent editorial in a vaccine focused medical journal, some argue that the time is ripe for a “T-cell focused approach” to vaccine development.  Historically, vaccine development focuses on antibody production (B-cells) against viruses, but overwhelming research on the human immune response to SARS-CoV2 points to T-cell function as the main driver of lasting immunity.  Acc... Read More
at Thursday, January 21, 2021

Immunity Against SARS-CoV-2 May Come from T-cells More Than Antibodies

In many people, antibodies may not be the superstars of lasting immunity against the virus that causes COVID, according to recently published research (January 2021) from a German university, which suggests T cells may be the key to lasting immunity.   In this study, 78% of volunteers for convalescent plasma donations, who had been confirmed positive via PCR testing for the SARS-CoV2 virus, did not have detectable antibodies in their blood.  However, all of them did show T-cel... Read More
at Thursday, January 21, 2021

The T-cell is Fast Becoming the Superstar of Fighting COVID

  T-lymphocytes, the type of white blood cell that plays a key role in fighting infections, are at the center of a recent study on why some patients fare worse than others when infected with the COVID virus.  According to research published in a well-known immunology journal, patients with mild or asymptomatic COVID had both higher numbers and better functioning T-cells (aka T-lymphocytes). In fact, patients who fared worse consistently displayed T-cells that were literally ex... Read More
at Thursday, January 21, 2021