“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 Cicada COVID Variant Spreading in U.S. | What Doctors Want You to Know Now April 12, 2026 New COVID Variant Affecting Kids April 7, 2026 What to know about ‘Cicada,’ the new COVID-19 variant #shorts April 6, 2026 New ‘Cicada’ COVID variant detected as experts urge caution April 4, 2026 New COVID variant spreading April 2, 2026 Long COVID: Persistent Virus or Immune Response? #shorts April 2, 2026