The average human has about 1.8 trillion immune cells. These cells patrol the body for bacteria, viruses, cancers, and other threats. Vaccines enhance this security system by teaching our immune cells ...
Researchers have discovered that mRNA-based COVID-19 vaccines have a persistent effect on the innate immune system. These mechanisms may help the human body to better protect itself against potential ...
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Leftover COVID spike fragments kill crucial immune cells but are less deadly in Omicron
New research shows that after the body's defenses kill the virus behind COVID-19, leftover digested chunks of SARS-CoV-2 spike protein can target specific immune cells based on their shape. The ...
Scientists have uncovered a stealthy tactic used by the SARS-CoV-2 virus: one of its proteins can leap from infected cells to healthy ones, effectively tricking the immune system into attacking the ...
However, details of the intervening steps, as researchers have learned in the past 65 years, are quite complex — certain cells carry the flu antigen to the immune system, specific immune cells respond ...
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