I’m having trouble finding it. It was a survey done by David Putrino, it’s mentioned here: ”By contrast, Putrino told me that in his survey of 1,400 long-haulers, two-thirds of those who have had antibody tests got negative results, even though their symptoms were consistent with COVID-19.”
Here is a more vague claim that seems to corroborate:
“Whereas some “long haulers” were found to be positive for SARS-CoV-2 RNA by RT-PCR at symptom onset, many did not fulfill the criteria for testing at the beginning of the pandemic, or tested negative at a time when respiratory symptoms had subsided. In addition, some “long haulers” did not have detectable antibodies to SARS-CoV-2 when the first serological test (Abbott) became available commercially.
If you look at the demographics of the sufferers, it’s also somewhat suspect. Middle-aged well-to-do white women are massively over-represented. If it were a matter of over-active immunity you’d expect young women, and if it were a matter of a weak immunity getting overrun, you’d expect men. So, I’m not sure there’s a good reason to suspect this population really would be the main sufferers of some legitimate long-term syndrome. OTOH, middle-aged white women have sky-high rates of depression.
I’m having trouble finding it. It was a survey done by David Putrino, it’s mentioned here:
”By contrast, Putrino told me that in his survey of 1,400 long-haulers, two-thirds of those who have had antibody tests got negative results, even though their symptoms were consistent with COVID-19.”
https://www.theatlantic.com/health/archive/2020/08/long-haulers-covid-19-recognition-support-groups-symptoms/615382/
Here is a more vague claim that seems to corroborate:
“Whereas some “long haulers” were found to be positive for SARS-CoV-2 RNA by RT-PCR at symptom onset, many did not fulfill the criteria for testing at the beginning of the pandemic, or tested negative at a time when respiratory symptoms had subsided. In addition, some “long haulers” did not have detectable antibodies to SARS-CoV-2 when the first serological test (Abbott) became available commercially.
https://onlinelibrary.wiley.com/doi/epdf/10.1002/acn3.51350
If you look at the demographics of the sufferers, it’s also somewhat suspect. Middle-aged well-to-do white women are massively over-represented. If it were a matter of over-active immunity you’d expect young women, and if it were a matter of a weak immunity getting overrun, you’d expect men. So, I’m not sure there’s a good reason to suspect this population really would be the main sufferers of some legitimate long-term syndrome. OTOH, middle-aged white women have sky-high rates of depression.
I expect symptoms-consistent-with is broad enough to interact with a whole lot of stuff that is going on medically and culturally.