Dr. William J Swiggard M.D., PH.D.

Expert Publications

• Human immunodeficiency virus type 1 spinoculation enhances infection through virus binding.
• A sensitive, quantitative assay for human immunodeficiency virus type 1 integration.
• Long HIV type 1 reverse transcripts can accumulate stably within resting CD4+ T cells while short ones are degraded.
• Human immunodeficiency virus type 1 can establish latent infection in resting CD4+ T cells in the absence of activating stimuli.
• Integrin modulating factor-1: a lipid that alters the function of leukocyte integrins.
• Isolation of dendritic cells.
• Eukaryotic initiation factor 4D. Purification from human red blood cells and the sequence of amino acids around its single hypusine residue.
• Dendritic cells freshly isolated from human blood express CD4 and mature into typical immunostimulatory dendritic cells after culture in monocyte-conditioned medium.

Media Releases

Get to know Infectious Disease Specialist Dr. Billie Swiggard, who serves patients in Philadelphia, Pennsylvania.

A seasoned, transfeminine infectious disease specialist, Dr. Swiggard is affiliated with the Mazzoni Center in Philadelphia, Pennsylvania.

The mission of the Mazzoni Center is to provide quality comprehensive health and wellness services in an LGBTQ-focused environment, while preserving the dignity and improving the quality of life of the individuals they serve. Services include gender affirming care, PrEP, PEP and STI testing and treatment, as well as general primary care. Dr. Swiggard provides all of these services in addition to Infectious Disease specialty care. 

Dr. Swiggard attended George Mason University as a Chemistry major, before taking on a part-time job at the National Institutes of Health as a lab technician. From there, she enrolled in a 9-year MD/PhD program, earning her medical degree at Weill Cornell Medical College and her Doctor of Philosophy degree in Immunology at Rockefeller University. She completed her residency in internal medicine and her fellowship in infectious disease at the Hospital of the University of Pennsylvania.

As a testament of her continued education, the doctor is board-certified in infectious disease and internal medicine by the American Board of Internal Medicine (ABIM). The ABIM is a physician-led, non-profit, independent evaluation organization driven by doctors who want to achieve higher standards for better care in a rapidly changing world.

In her professional experience, she served as an attending infectious disease physician at Cooley Dickinson Hospital and Holyoke Health Center, before joining the team at Mazzoni Center.

Infectious disease is a medical specialty dealing with the prevention, the diagnosis, and the treatment of all infections. An infectious disease specialist’s practice also consists of managing nosocomial (hospital-acquired) infections.

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