Mars is approximately half the diameter of Earth, and its surface area is only slightly less than the total area of Earth's dry land. Mars is less dense than Earth, having about 15% of Earth's volume and 11% of Earth's mass, resulting in about 38% of Earth's surface gravity. The red-orange appearance of the Martian surface is caused by iron(III) oxide, or rust.
You asked for an explanation of recently issued federal regulations governing hospital emergency services and whether they would require any changes in state law.
1 Ambulatory Care Facility employees are not required by law to receive any vaccines.  Hospital patients are not required by law to receive influenza and pneumococcal vaccines. Hospitals are required by law to offer these vaccines to consenting patients.