Proactively investing in immunological health can help mitigate risks of infection and reduce the likelihood of becoming a super spreader. Similar to how individuals purchase car insurance despite the low probability of an accident, preemptive measures for enhancing immune function are crucial. The concept of vaccine extension, developed by researchers at the University of California San Diego, emphasizes maintaining an innate immune system in a state of readiness to improve vaccine efficacy and decrease the necessity for multiple vaccinations. This approach represents a promising advancement in integrative medicine and vaccinology.