HSA | FSA CARDS ARE NOW ACCEPTED

Last reviewed: May 12, 2026 Last updated: May 12, 2026

Written by: Jay Hastings , CEO of PlexusDx

Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations. He has more than 20 years of experience across healthcare innovation, genomics, laboratory operations, healthcare investing, and strategic finance. His work has included scaling healthcare startups, leading CLIA lab integrations, and helping expand consumer access to precision health tools.

Medically reviewed by: Jayden Lee, PharmD, EMBA

Jayden Lee, PharmD, EMBA, is the PlexusDx Medical Science Liaison with a PharmD and MBA specializing in pharmacogenomics and clinical product development, with a proven ability to bridge the gap between genomic research and practical patient outcomes. Dr. Lee has more than 10 years of professional experience in clinical pharmacy, academia, and research.

Strep Infection: Investigating Genetic Factors

Do you find it curious why certain individuals experience more frequent strep infections than others? Their genetic makeup probably holds the solution. Our blog examines strep infections by investigating genetic factors that affect susceptibility to this widespread bacterial disease.

The streptococcal bacteria cause strep infection which remains one of the most widespread diseases across the world. The term "strep" usually brings Group A Streptococcus bacteria to mind as it's also called GAS or Strep A. The streptococcal bacteria transmit easily via airborne droplets from sneezing or coughing while direct person-to-person contact and improper food handling can also spread the infection.

Strep throat and tonsillitis represent the primary conditions connected to strep infections which occur across all age groups yet show higher occurrence rates in children. A strep infection manifests through flu-like symptoms together with sore throat and red swollen tonsils which may show tiny red spots in the mouth while patients often experience swollen lymph nodes and a rash along with nausea and vomiting. Prompt medical care when these symptoms appear helps prevent serious health complications.

The genetic model of strep infection remains unsupported by strong scientific data yet proposes its involvement in inflammatory processes and immune reaction. Children and the winter/early spring time frame increase the likelihood of strep infections along with exposure to public areas and poor hygiene practices and a compromised immune system as well as some viral infections. People who have a genetic tendency towards strep infections should lower their risk by focusing on changeable risk elements. Your chances of getting strep infection decrease when you manage hygiene, immune system strength and viral exposure.

Knowing your genetic susceptibility to strep infections allows you to make educated health choices. You can strengthen your defense against this widespread bacterial infection through genetic understanding and practical lifestyle changes. Empower yourself with better health management today by testing the Precision Health & Wellness solutions PlexusDx offers on their website and at Amazon and Walmart.

Medical and Editorial Standards

Medical review process: This article was reviewed for medical accuracy, scientific clarity, evidence alignment, and appropriate discussion of genetics, medications, supplements, biomarkers, and health-related claims.

Sources and evidence: PlexusDx educational content is developed using peer-reviewed research, clinical literature, reputable medical references, and, where applicable, public health or regulatory guidance. References are included at the end of the article when scientific, medical, or health-related claims are discussed.

Commercial transparency: PlexusDx offers genetic testing, blood biomarker testing, personalized supplement recommendations, and related precision wellness services. Product mentions are intended to help readers understand available options and should not be interpreted as medical advice.

Important disclaimer: PlexusDx educational content is for informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before making decisions about medications, supplements, genetic testing, lab testing, or health-related care.