The summer solstice was Friday, June 21, marking the longest day of the year and the first official day of summer. As the northern hemisphere tilted closest toward the sun, a new UC Irvine/Mayo Clinic Study for the first time in data from the United States finds that vitamin D levels in the population peak in August and are at their lowest in February. This essential vitamin—necessary for healthy bones—is made in the skin upon exposure to ultraviolet B (UVB) rays from the sun.

By Mayo Clinic Laboratories • June 25, 2013

In the United States, major tick-borne diseases include Lyme disease, anaplasmosis, babesiosis, ehrlichiosis, and Rocky Mountain spotted fever. Historically, only certain pockets of the United States posed a risk for tick-borne disease. However, the geographic range of ticks has expanded and large areas of the population are now at risk. Because of this increased risk, it is important that physicians recognize who to test, when to test, and what test to use.

By Mayo Clinic Laboratories • June 24, 2013

In mid-March, the Centers for Disease Control and Prevention and the World Health Organization announced the presence of a novel coronavirus in the Arabian Peninsula and the United Kingdom. In this video, Matthew Binnicker, Ph.D., laboratory director of the Mayo Clinic Virology Laboratory, outlines key things health care providers should know about this coronavirus and proper testing protocol.

By Andy Tofilon • April 5, 2013