Tracing the start of COVID-19 in GA

At a time when COVID-19 appears to be receding in much of Georgia, it’s worth revisiting the start of the pandemic in early 2020. Emory virologist Anne Piantadosi and colleagues have a paper in Viral Evolution on the earliest SARS-CoV-2 genetic sequences detected in Georgia. Analyzing relationships between those virus sequences and samples from other states and countries can give us an idea about where the first COVID-19 infections in Georgia came from. We can draw Read more

Reddit as window into opioid withdrawal strategies

Drug abuse researchers are using the social media site Reddit as a window into the experiences of people living with opioid addiction. Abeed Sarker in Emory's Department of Biomedical Informatics has a paper in Clinical Toxicology focusing on the phenomenon of “precipitated withdrawal,” in collaboration with emergency medicine specialists from Penn, Rutgers and Mt Sinai. Precipitated withdrawal is a more intense form of withdrawal that can occur when someone who was using opioids starts medication-assisted treatment Read more

CROI: HIV cure report and ongoing research

The big news out of CROI (Conference on Retroviruses and Opportunistic Infections) was a report of a third person being cured of HIV infection, this time using umbilical cord blood for a hematopoetic stem cell transplant. Emory’s Carlos del Rio gave a nice overview of the achievement for NPR this morning. As del Rio explains, the field of HIV cure research took off over the last decade after Timothy Brown, known as “the Berlin patient,” Read more

food allergies

Children with Food Allergies Offered Better Diagnosis and Treatment with New Guidelines

Twenty years ago, food allergies had barely been heard of. Now, they are a $500 million health problem that affects more than 12 million Americans, including three million children. New federal guidelines issued by the National Institute of Allergy and Infectious Diseases (NIAID) will help physicians better diagnose and treat food allergies, according to Karen Demuth, MD, an assistant professor of pediatrics in the Emory University School of Medicine, and a physician on staff at Children’s Healthcare of Atlanta.

Dr. Demuth was a key player in advancing legislation to call attention to the challenges of food allergies in children. She and several of her patients were on hand to witness Governor Nathan Deal signing a proclamation declaring May 8 to 14 Food Allergy Awareness Week in Georgia.

Dr. Demuth (pictured far right) was a key player in advancing legislation to call attention to the challenges of food allergies in children. She and several of her patients were on hand to witness Governor Nathan Deal signing a proclamation declaring May 8 to 14 Food Allergy Awareness Week in Georgia.

“The new NIAID guidelines help providers understand food allergies,” Demuth says. “They address when we should consider a food allergy and the utility of testing for food allergy. In addition, they address the management of food allergies, including acute reactions and follow-up of individuals with food allergy.”

The guidelines are comprised of input from a panel of 25 experts and draw the important distinction between food allergies and food intolerances. Food allergies are defined as “an adverse health effect arising from a specific immune response hat occurs reproducibly on exposure to a given food.” Food intolerances produce an adverse reaction but are likely not related to an immune response.

The most common food allergies are to milk, eggs, peanuts, tree nuts, shellfish, fish and soy. Fortunately, the understanding of food allergies and the best ways to manage them is expanding.

“The gold standard of treatment of food allergies – avoidance – has remained constant throughout the years,” Demuth says. “There are new therapies on the horizon such as oral immunotherapy, vaccines and a Chinese herbal extract; however, these therapies are still considered experimental. At the Emory-Children’s Center, we are active in research and advocacy in pediatric allergies so that we can bring new treatments to our patients when they are ready for widespread use. We are dedicated solely to the care of children with allergic and immunologic disorders and offer multidisciplinary clinics to offer a specialized level of care.”

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