Impact of hospital bed availability on infectious disease management: a stochastic and optimal control approachNawaj Sarif, Arjun Kumar, Uma S. Dubey, Balram Dubey and Sahabuddin SarwardiEur. Phys. J. Plus, 140 5 (2025) 372DOI: https://doi.org/10.1140/epjp/s13360-025-06294-0