‘Very promising’: the pieces are coming together for a ...

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‘Very promising’: the pieces are coming together for a long-lasting vaccine

This comes amid mounting evidence that T cells and B cells provide longer-lasting protection

Georgina Hayes

Scientists are growing increasingly confident about the human immune response to Covid-19 after studies showed antibodies provide real-world protection against the virus and cellular immunity may be long-lasting.

A study of an outbreak on a Seattle fishing boat involving more than 100 sailors has shown that antibodies can provide protection against reinfection, while encouraging evidence has been found that T and B cells remain in the blood even once antibodies fade.

“This is exactly what you would hope for,” Marion Pepper, an immunologist at the University of Washington and an author of one of the studies told The New York Times. “All the pieces are there to have a totally protective immune response.”..

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