Boosting our immune system. How to boost your immunity -- Fact or fiction?: vaccines are dangerous -- The brain has a special kind of memory for past infections -- Hidden black scientists proved the polio vaccine worked -- Vaccines reimagined -- Genomic vaccines fight disease in ways not possible before -- Fighting yourself: autoimmune disorders. How I was betrayed from within -- The terrible toll of 76 autoimmune diseases -- Targeted treatments for autoimmune disease make progress -- How blood sugar can trigger a deadly immune response in the flu and possibly COVID-19 -- How to kill HIV: target its "influencers" -- Hacking a cure for cancer and other diseases. A shot against cancer -- Are we innately immune to cancer? -- What's next after creating a cancer-prevention vaccine? -- Could immunotherapy treat diseases besides cancer? -- Fighting the opioid crisis with vaccines and better chemistry -- The next wave of immuno-oncology -- Vanquishing diabetes -- Immune cells suggest new Alzheimer's treatment possibilities -- Hacking COVID: the search for a vaccine. A guide to the SARS-CoV-2 coronavirus -- What immunity to COVID-19 really means -- COVID-19 vaccine developers search for antibodies that 'first do no harm' -- Fast-track drugs -- Future hacks: learning from COVID. How communication around COVID fuels a mistrust of science -- The vaccine rollout is changing how we think about prescription meds -- We need a universal flu vaccine before the next pandemic strikes -- Contagions worse than COVID will prevailif neglect of global public health continues -- How real-world data can help us better prepare for the next pandemic.