HEALTH: Antibiotic Resistance and Historical Patterns Since Fleming's discovery of penicillin in 1928, antibiotics have prevented an estimated 200+ million deaths, yet resistance rates have accelerated dramatically—methicillin-resistant Staphylococcus aureus (MRSA) increased from <1% of isolates in 1974 to 40%+ in US hospitals by 2005. The WHO estimates 700,000+ annual deaths currently attributable to drug-resistant infections, projected to reach 10 million deaths annually by 2050 if trends continue—exceeding cancer mortality. This matters because the post-antibiotic era threatens routine surgery, chemotherapy, and childbirth delivery; developing nations with limited infection control infrastructure face disproportionate burden, while pharmaceutical incentives for new antibiotics remain economically insufficient, creating a structural market failure in drug development.