Akiko Iwasaki explains why waning COVID antibody levels are not a cause for alarm; cytokine ‘hurricanes’; herd immunity; long COVID; sex differences in infection; and more. CoronavirusCOVID-19COVID-19 immunityCOVID19immune systemIMMUNITYVITAMINRelated Posts What Happens When the Immune System Learns to Tolerate COVID? January 6, 2026 What Happens When the Immune System Learns to Tolerate COVID? January 5, 2026 So much #research happening!#covid19 #doctor #themoreyouknow #immunity #virus #antibodytesting January 3, 2026 Immune System vs. Viruses: Can We Ever Win? #shorts December 23, 2025 Probiotics, Immunity & COVID – Why I Waited for the Research December 19, 2025 Did Covid Change Your Brain? Doctor Explains December 17, 2025
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