Headache & Pain
Medications and substances causing headache
Aug. 22, 2021
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Transmission electron microscopic image reveals numerous Eastern equine encephalitis virus virions in this specimen of central nervous system tissue. Photomicrograph by CDC/Dr. Fred Murphy and Sylvia Whitfield in 1975. (Source: Public Health Image Library, U.S. Centers for Disease Control and Prevention, Atlanta, Georgia. Image 10253. Public domain.)