sophisticated airport security systems, the United States government estimated the cost to be around $2 billion. An additional $450 million would be spent to reinforce plane doors, along with an extra $3 billion spent on sky marshals for all American flights to help further prevent future hijackings from taking place. Under this scenario, the explicit cost would be $5.45 billion. Implicit costs, however, would far outweigh this. The US government has calculated that by waiting an additional 30 minutes due to extra airport security, multiplied by an average of 800 million passengers per year with the average cost of time at $20 per hour, the total implicit cost to the US economy from such prevention methods would be upwards of $8 billion. Thus the importance of recognising the opportunity cost at a governmental level is crucial in efficiently allocating government funds. The impact of the Covid-19 pandemic that broke out in recent years on economic operations is unavoidable, the economic risks are not symmetrical, and the impact of Covid-19 is distributed differently in the global economy. Some industries have benefited from the pandemic, while others have almost gone bankrupt. One of the sectors most impacted by the COVID-19 pandemic is the public and private health system. Opportunity cost is the concept of ensuring efficient use of scarce resources, a concept that is central to health economics. The massive increase in the need for intensive care has largely limited and exacerbated the department's ability to address routine health problems. The sector must consider opportunity costs in decisions related to the allocation of scarce resources, premised on improving the health of the population. However, the opportunity cost of implementing policies to the sector has limited impact in the health sector. Patients with severe symptoms of COVID-19 require close monitoring in the ICU and in therapeutic ventilator support, which is key to treating the disease. In this case, scarce resources include bed days, ventilation time, and therapeutic equipment. Temporary excess demand for hospital beds from patients exceeds the number of bed days provided by the health system. The increased demand for days in bed is due to the fact that infected hospitalized patients stay in bed longer, shifting the demand curve to the right (see curve D2 in Graph1.11). The number of bed days provided by the health system may be temporarily reduced as there may be a shortage of beds due to