Resistant Covid

It's a common yet curious tale: a household hit by Covid, but one family member never tests positive or gets so much as a sniffle - Pat Hagan

Resistant Covid
Resistant Covid

image by: Fitgenes

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People testing negative for Covid-19 despite exposure may have ‘immune memory’

We all know that person who, despite their entire household catching Covid-19, has never tested positive for the disease. Now scientists have found an explanation, showing that a proportion of people experience “abortive infection” in which the virus enters the body but is cleared by the immune system’s T-cells at the earliest stage meaning that PCR and antibody tests record a negative result.

About 15% of healthcare workers who were tracked during the first wave of the pandemic in London, England, appeared to fit this scenario.

The discovery could pave the way for a new generation of vaccines targeting the T-cell response, which could produce much longer lasting immunity,…

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 People testing negative for Covid-19 despite exposure may have ‘immune memory’

We all know that person who, despite their entire household catching Covid-19, has never tested positive for the disease.

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