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Patients who went on to develop long COVID showed more problems with regulation of blood iron levels, including anemia, as soon as 2 weeks after acute infection, suggesting low iron levels may play a role in the chronic condition, according to a new study in Nature Immunology. (Souchery, 3/4)

Having Covid-19 increases a person’s risk of developing an autoimmune disease in the year after infection, a large study out of South Korea and Japan reports, but vaccination helps decrease that risk. (Cueto, 3/4)

Women vaccinated against COVID-19 in the first half of their menstrual cycle (follicular phase) are more likely to see slight, short-term changes in cycle length than those vaccinated in the second half (luteal phase), concludes a large study published in Obstetrics & Gynecology. (Van Beusekom, 3/4)

For years, menopause and depression have been closely linked. But now a new paper in The Lancet disputes the commonly held notion that menopause consistently raises risk for mental health problems. (Chesler, 3/5)

As a result of the new preclinical study, the FDA approved an investigational new drug application to start a clinical trial with the hydrogel in pediatric patients in the coming months, once institutional approvals are received. (University of California - San Diego, 3/6)