“Extra’s” Billy Bush caught up with Los Angeles physician Dr. Thomas Yadegar via Zoom to learn more about young COVID-19 patients developing cytokine storm syndrome, an overreaction of the body’s immune system. as seen on extrabilly bushComplicationcomplications in younger patientscomplications of coronavirusCoronaviruscoronavrius complicationsCOVID-19COVID-19 immunityCOVID19Cytokinecytokine storm syndromedealing with problemsdoctorsdr. thomas yadegardr. yadegarimmune systemimmune system reactionIMMUNITYmedical problemsnew coronavirus situationsnew problemsnew symptomsother medical issuesother medical problemsother symptomsoverractionsPatientsproblems in younger patientsscary situationsStormSyndromevideoVITAMINvlogyoungeryounger patientsYouTubeRelated Posts COVID’s New Variant Is Spreading Faster Than Expected April 18, 2026 COVID’s New Variant Is Spreading Faster Than Expected April 16, 2026 These Aren’t Just Hormone Problems April 16, 2026 New COVID Variant ‘Cicada’ Spreading Across U.S. | Seniors at Highest Risk April 15, 2026 Persistent immune activation and MS explosion #diseaseprevention April 13, 2026 Cicada COVID Variant Spreading in U.S. | What Doctors Want You to Know Now April 12, 2026