Firstly, the government can establish a universal healthcare system that provides coverage for all citizens. This system can be funded through taxes or other sources of revenue, and it can provide comprehensive coverage for all necessary medical procedures and treatments. Countries such as Canada, the United Kingdom, and Australia have implemented such systems and have achieved high levels of healthcare accessibility and affordability.

Secondly, the government can regulate the healthcare industry to ensure that healthcare providers offer affordable services. Governments can control the prices of drugs and medical equipment to prevent healthcare providers from overcharging patients. Additionally, governments can require healthcare providers to offer discounted services to low-income patients or those who are uninsured.

Thirdly, the government can provide financial assistance to individuals and families who cannot afford healthcare. Governments can offer subsidies, tax credits, or vouchers that can be used to purchase healthcare services or insurance. The Affordable Care Act in the United States is an example of such a program, which has enabled millions of previously uninsured Americans to access affordable healthcare.

Finally, the government can invest in public health programs that promote preventative care and healthy lifestyles. These programs can include initiatives such as free vaccinations, community health clinics, and health education campaigns. By focusing on preventative care, the government can reduce the overall cost of healthcare and improve the health outcomes of citizens.

In conclusion, the role of government in ensuring affordable healthcare for all is critical. Governments can implement universal healthcare systems, regulate the healthcare industry, provide financial assistance to those who cannot afford healthcare, and invest in public health programs. By doing so, governments can help to ensure that all citizens have access to the medical care they need to live healthy and productive lives.