What happened on Richard Quest's first flight in four months Yet I would bet good money that if they took another test they would also discover that their armor has cracked, or has holes in it. I have seen many Covid recoverees quietly parade their antibody status as if it is a shield for life. The circuitous progress of the pandemic creates fear, then hope, then back to fear again, seemingly with no end. I relate all of this because it’s another example of our collective tortuous journey with this disease. It was, my doctor said, “highly, highly unlikely that you will get Covid again this year … medically improbable.” I was then quickly admonished that none of this should lead me to abandon social distancing, hand washing and other anti-virus measures. They will lay quiescent until (or if) the body comes into contact with Covid-19 again, at which point my immune system will fire up and start producing antibodies once more. T cells, an important part of our immune system’s attack force, have virus memory. He referred to the latest studies showing that antibodies do indeed weaken and dwindle over 90 days – no one has had a chance to do much research beyond that yet.īut, as my doctor continued, that’s only half the body’s defensive mechanism. When I told my infectious diseases doctor in New York, he wasn’t one bit surprised. Now it seemed I was back to square one: vulnerable to Covid again. Over the past five months my evanescent antibodies had dwindled to meaningless, and with it my bravado claim to protection. IgG refers to immunoglobulin class G antibodies in your blood, which when washed, mixed and tumble-dried with other chemicals (as well as a load of other things I didn’t understand), produces an antibody index, where the cut-off point is 1.4. I needed to know more, so immediately launched into a whirlwind of googling, then battled through a scientific article on the Abbott SARS-CoV-2 IgG antibody test. Quest does have antibodies, just not enough to register on the scale.” I had registered as 1 on the ‘scale,’ and only those above 1.4 are considered to have enough antibodies to classify as positive. “I have previous tests to prove it.” The center, having not seen a case of a re-test losing antibodies before, went back to the lab to see what was going on. I'm still discovering new areas of damage - Richard Quest
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