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Delayed generation of functional virus-specific circulating T follicular helper cells correlates with severe COVID-19

But you should check with your doctor before using any of them

doi: 10.1093/qjmed/hcs085 343 BurtonARRahmanKKadotaYLloydAVollmer-ConnaU

Actually, up to 88% of people who follow these diets might need more vitamin B12
