From the 3/29/2024 release of VAERS data:

Found 37 cases where Age is 0.5-or-more-and-under-6 and Vaccine is COVID19 and Symptom is Cerebral artery thrombosis or Cerebral venous sinus thrombosis or Cerebral venous thrombosis or Coagulopathy or Deep vein thrombosis or Disseminated intravascular coagulation or Embolism or Idiopathic thrombocytopenic purpura or Immune thrombocytopenia or Immune thrombocytopenic purpura or Ischaemic stroke or Myocardial infarction or Petechiae or Pulmonary embolism or Pulmonary venous thrombosis or Purpura or Thrombocytopenia or Thrombosis or Vasculitis

Government Disclaimer on use of this data

Table

Age	Count	Percent
6-11 Months	4	10.81%
1-2 Years	9	24.32%
3-5 Years	24	64.86%
TOTAL	37	100%

Case Details

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VAERS ID: 1801127 (history)   Form: Version 2.0   Age: 0.5   Sex: Male   Location: Iowa   Vaccinated: 2021-09-16 Onset: 2021-09-18    Days after vaccination: 2 Submitted: 0000-00-00 Entered: 2021-10-20 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH EW0181 / 1 RA / SYR Administered by: Private       Purchased by: ? Symptoms: Exposure via breast milk, Petechiae, Rash SMQs:, Anaphylactic reaction (broad), Haemorrhage terms (excl laboratory terms) (narrow), Neonatal exposures via breast milk (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? Yes Office Visit? No ER Visit? No ER or Doctor Visit? No Hospitalized? No Previous Vaccinations: Other Medications: Poly-Vi-Sol Multi Vitamin and Iron Current Illness: none Preexisting Conditions: none Allergies: none Diagnostic Lab Data: none CDC Split Type: vsafe Write-up: Patient developed a rash. It was a petechiae like rash across his chest and stomach. It started 48 hours after I received the shot in the afternoon. After I got the vaccine I was still breastfeeding him. He did not have any new foods that I believe caused the rash. He did receive 3 or 4 of his routine vaccines a week before, but I''m not for sure of the name of those vaccines he received. He also had covid back in March of 2021 when he was two weeks old. He was also a premature baby born at 34 weeks. He has also been intermittently having daycare colds.

VAERS ID: 1985731 (history)   Form: Version 2.0   Age: 5.0   Sex: Female   Location: California   Vaccinated: 2021-12-23 Onset: 2021-12-27    Days after vaccination: 4 Submitted: 0000-00-00 Entered: 2021-12-28 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH FK5618 / 1 LA / IM Administered by: Private       Purchased by: ? Symptoms: Activated partial thromboplastin time normal, Contusion, Full blood count, International normalised ratio normal, Laboratory test, Petechiae, Platelet count decreased, Prothrombin time normal SMQs:, Haematopoietic thrombocytopenia (narrow), Haemorrhage terms (excl laboratory terms) (narrow), Systemic lupus erythematosus (broad), Accidents and injuries (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? No Office Visit? Yes ER Visit? No ER or Doctor Visit? No Hospitalized? Yes, ? days Extended hospital stay? No Previous Vaccinations: Other Medications: None Current Illness: Did have viral respiratory illness about 2 weeks prior to vaccination Preexisting Conditions: None Allergies: None Diagnostic Lab Data: Labs drawn on 12/28/2021 - CBC notable for platelet count of 6. PT, PTT and INR all within normal limits. CDC Split Type: Write-up: Received COVID-19 vaccine on 12/23/2021. Presented to my clinic on 12/28 after 2 day history of petechial rash and bruising on face trunk, arms and legs bilaterally.

VAERS ID: 2001220 (history)   Form: Version 2.0   Age: 5.0   Sex: Female   Location: Nebraska   Vaccinated: 2021-11-01 Onset: 2021-12-25    Days after vaccination: 54 Submitted: 0000-00-00 Entered: 2022-01-04 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH UNKNOWN / 1 UN / IM Administered by: Private       Purchased by: ? Symptoms: Abdominal pain, Cough, Fibrin D dimer increased, Hepatic enzyme increased, Hypotension, Illness, Mental disorder, Multisystem inflammatory syndrome in children, Myalgia, N-terminal prohormone brain natriuretic peptide increased, Periorbital oedema, Rash, Shock, Thrombocytopenia, Troponin increased SMQs:, Rhabdomyolysis/myopathy (broad), Cardiac failure (broad), Liver related investigations, signs and symptoms (narrow), Anaphylactic reaction (narrow), Acute pancreatitis (broad), Angioedema (narrow), Haematopoietic thrombocytopenia (narrow), Haemorrhage laboratory terms (broad), Neuroleptic malignant syndrome (broad), Systemic lupus erythematosus (broad), Myocardial infarction (narrow), Retroperitoneal fibrosis (broad), Shock-associated circulatory or cardiac conditions (excl torsade de pointes) (narrow), Hypovolaemic shock conditions (narrow), Toxic-septic shock conditions (narrow), Anaphylactic/anaphylactoid shock conditions (narrow), Hypoglycaemic and neurogenic shock conditions (narrow), Dementia (broad), Gastrointestinal nonspecific symptoms and therapeutic procedures (narrow), Eosinophilic pneumonia (broad), Periorbital and eyelid disorders (narrow), Hypotonic-hyporesponsive episode (broad), Hypersensitivity (narrow), Tendinopathies and ligament disorders (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Dehydration (broad), Hypokalaemia (broad), Opportunistic infections (broad), Immune-mediated/autoimmune disorders (narrow), COVID-19 (narrow), Noninfectious myocarditis/pericarditis (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? Yes Office Visit? Yes ER Visit? No ER or Doctor Visit? No Hospitalized? Yes, 6 days Extended hospital stay? No Previous Vaccinations: Other Medications: Current Illness: Preexisting Conditions: Allergies: Diagnostic Lab Data: Troponin 0.029 ng/ml, NT-proBNP 2190 pg/ml, d-dimer 10689 ng/ml, CDC Split Type: Write-up: Patient received second shot of COVID vaccine on 12/9/2021. Patient experienced COVID-like illness on 11/25/2021. Patient experienced onset of MIS-C on 12/25/2021. Patient experienced shock, hypotension, elevated troponin, elevated NT-proBNP, cough, elevated d-dimers, thrombocytopenia, abdominal pain, elevated liver enzymes, rash, altered mental state, myalgia, and periorbital edema.

VAERS ID: 2039144 (history)   Form: Version 2.0   Age: 5.0   Sex: Male   Location: Massachusetts   Vaccinated: 2022-01-03 Onset: 2022-01-05    Days after vaccination: 2 Submitted: 0000-00-00 Entered: 2022-01-14 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH FK5618 / 2 LA / IM Administered by: Unknown       Purchased by: ? Symptoms: Purpura, Urticaria SMQs:, Anaphylactic reaction (broad), Angioedema (narrow), Haemorrhage terms (excl laboratory terms) (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? Yes Office Visit? Yes ER Visit? No ER or Doctor Visit? No Hospitalized? No Previous Vaccinations: Other Medications: No Current Illness: Preexisting Conditions: Allergies: No Diagnostic Lab Data: No CDC Split Type: Write-up: Hives generalized B/L ankle purpura Central area

VAERS ID: 2075057 (history)   Form: Version 2.0   Age: 5.0   Sex: Male   Location: California   Vaccinated: 2022-01-14 Onset: 2022-01-18    Days after vaccination: 4 Submitted: 0000-00-00 Entered: 2022-01-30 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / 1 - / - Administered by: Private       Purchased by: ? Symptoms: Ecchymosis, Full blood count, Immune thrombocytopenia, Immunoglobulin therapy, Mucosal haemorrhage, Petechiae, Platelet count decreased, Skin lesion SMQs:, Haematopoietic thrombocytopenia (narrow), Haemorrhage terms (excl laboratory terms) (narrow), Systemic lupus erythematosus (broad), Gastrointestinal perforation, ulcer, haemorrhage, obstruction non-specific findings/procedures (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (narrow) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? No Office Visit? No ER Visit? No ER or Doctor Visit? Yes Hospitalized? Yes, 2 days Extended hospital stay? No Previous Vaccinations: Other Medications: None Current Illness: None Preexisting Conditions: None Allergies: Peanut, tree nut Diagnostic Lab Data: Platelet count: 0 (1/22) -- $g 6 (1/23) -- $g 17 (1/24) CDC Split Type: Write-up: Acute immune thrombocytopenia. Presented with diffuse ecchymotic and petechial lesions and recent history of epistaxis, with exam on admission notable for slight mucosal bleeding. Found to be profoundly thrombocytopenic (plt count 0 on 1/22/22) with all other cell counts appropriate on CBC, presentation most likely consistent with ITP. No recent h/o viral infection, but could be secondary to covid vaccine on 1/14. Due to presence of mucosal bleeding, patient received 1x dose of IVIG on 1/22. Subsequently showed good response in Platelets uptrending from 0 -- $g 6 (1/23) -- $g 17 (1/24) prior to discharge. Bleeding symptoms and signs on exam improved. Discharged in stable condition on 1/24/2022 after reviewing need for activity restrictions until Plt count improves $g 50-100. Will have outpatient Hematology f/up in next 2-3 weeks and will repeat Plt count at that time.

VAERS ID: 2075777 (history)   Form: Version 2.0   Age: 5.0   Sex: Female   Location: California   Vaccinated: 2022-01-26 Onset: 2022-01-27    Days after vaccination: 1 Submitted: 0000-00-00 Entered: 2022-01-31 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH FL0007 / 2 RA / IM Administered by: Private       Purchased by: ? Symptoms: Erythema, Eye swelling, Petechiae, Swelling face SMQs:, Anaphylactic reaction (broad), Angioedema (narrow), Haemorrhage terms (excl laboratory terms) (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? Yes Office Visit? No ER Visit? No ER or Doctor Visit? No Hospitalized? No Previous Vaccinations: Other Medications: none Current Illness: none Preexisting Conditions: none Allergies: none Diagnostic Lab Data: CDC Split Type: Write-up: Pt woke up the next morning with small red spots-non blanching petechia all over her face and her face and eyes were swollen

VAERS ID: 2109344 (history)   Form: Version 2.0   Age: 5.0   Sex: Female   Location: New York   Vaccinated: 2022-02-01 Onset: 2022-02-06    Days after vaccination: 5 Submitted: 0000-00-00 Entered: 2022-02-12 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH FL0007 / 2 LA / IM Administered by: Private       Purchased by: ? Symptoms: Blood creatine, Blood fibrinogen, Blood pressure increased, C-reactive protein, Complement factor C3, Complement factor C4, Electrocardiogram, Fibrin D dimer, Henoch-Schonlein purpura, Metabolic function test, Prothrombin level, Prothrombin time, Purpura, Red blood cell sedimentation rate, Serum ferritin, Urine analysis SMQs:, Haemorrhage terms (excl laboratory terms) (narrow), Neuroleptic malignant syndrome (broad), Hypertension (narrow), Cardiomyopathy (broad), Vasculitis (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Immune-mediated/autoimmune disorders (narrow) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? No Office Visit? Yes ER Visit? No ER or Doctor Visit? No Hospitalized? No Previous Vaccinations: Other Medications: None Current Illness: None Preexisting Conditions: None Allergies: None Diagnostic Lab Data: Visit with primary care Pediatrician Consult with Infectious Disease specialist, Pediatric Nephrologist and Pediatric Cardiologist Blood work up including CMP, C3, C4 Creatine, PT, PTT, CRP, ESR, D-Dimer, Fibrinogen and Ferritin Urine analysis EKG CDC Split Type: Write-up: Symptoms of Purpuric Dermatosis to bilateral lower extremities and Elevated blood pressure Outcome diagnosis: Henoch-Sch?nlein Purpura (HSP)

VAERS ID: 2132271 (history)   Form: Version 2.0   Age: 5.0   Sex: Male   Location: California   Vaccinated: 2022-01-19 Onset: 2022-02-15    Days after vaccination: 27 Submitted: 0000-00-00 Entered: 2022-02-22 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / 1 LA / SYR COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH - / 1 LA / SYR Administered by: Private       Purchased by: ? Symptoms: Blood lactate dehydrogenase, Petechiae, Rash, Skin haemorrhage SMQs:, Anaphylactic reaction (broad), Haemorrhage terms (excl laboratory terms) (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? No Office Visit? Yes ER Visit? No ER or Doctor Visit? Yes Hospitalized? No Previous Vaccinations: Other Medications: none Current Illness: no Preexisting Conditions: no Allergies: no Diagnostic Lab Data: LDH, LACTATE DEHYDROGENASE 16-feb-2022 CDC Split Type: Write-up: rash on the body (petechiae) caused by some bleeding in skin (similar to a bruise)

VAERS ID: 2166260 (history)   Form: Version 2.0   Age: 5.0   Sex: Male   Location: California   Vaccinated: 2022-03-08 Onset: 2022-03-08    Days after vaccination: 0 Submitted: 0000-00-00 Entered: 2022-03-08 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH F18095 / 2 LA / IM Administered by: Private       Purchased by: ? Symptoms: Condition aggravated, Petechiae, Rash, Vaccine positive rechallenge SMQs:, Anaphylactic reaction (broad), Haemorrhage terms (excl laboratory terms) (narrow), Hypersensitivity (narrow), Drug reaction with eosinophilia and systemic symptoms syndrome (broad) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? No Office Visit? Yes ER Visit? No ER or Doctor Visit? No Hospitalized? No Previous Vaccinations: Other Medications: None Current Illness: COVID (6 weeks prior) Preexisting Conditions: Allergies: none Diagnostic Lab Data: CDC Split Type: Write-up: Petechial rash on neck and upper back within minutes of injection. This occurred after 1st injection as well, but not as quickly

VAERS ID: 2192216 (history)   Form: Version 2.0   Age: 5.0   Sex: Male   Location: Washington   Vaccinated: 2022-01-11 Onset: 2022-01-27    Days after vaccination: 16 Submitted: 0000-00-00 Entered: 2022-03-22 Vaccin­ation / Manu­facturer Lot / Dose Site / Route COVID19: COVID19 (COVID19 (PFIZER-BIONTECH)) / PFIZER/BIONTECH 59267-1055-1 / 1 LG / IM Administered by: Private       Purchased by: ? Symptoms: Abdominal pain, Arthralgia, Convalescent, Dehydration, Henoch-Schonlein purpura, Myalgia, Petechiae, Purpura, Renal function test, Urine analysis, Vomiting SMQs:, Rhabdomyolysis/myopathy (broad), Acute pancreatitis (broad), Haemorrhage terms (excl laboratory terms) (narrow), Hyperglycaemia/new onset diabetes mellitus (broad), Retroperitoneal fibrosis (broad), Gastrointestinal nonspecific symptoms and therapeutic procedures (narrow), Eosinophilic pneumonia (broad), Vasculitis (narrow), Hypersensitivity (narrow), Arthritis (broad), Tendinopathies and ligament disorders (broad), Drug reaction with eosinophilia and systemic symptoms syndrome (broad), Dehydration (narrow), Immune-mediated/autoimmune disorders (narrow) Life Threatening? No Birth Defect? No Died? No Permanent Disability? No Recovered? Yes Office Visit? Yes ER Visit? No ER or Doctor Visit? No Hospitalized? Yes, 1 days Extended hospital stay? No Previous Vaccinations: Other Medications: none Current Illness: Preexisting Conditions: none/previously healthy Allergies: none Diagnostic Lab Data: Pt getting weekly UA/BP checks to monitor renal function during convalescence. CDC Split Type: Write-up: Patient developed Henoch-Schoenlein Purpura (HSP) on 1/27/22, beginning with myalgia/arthralgias 16 days after receiving his first COVID-19 vaccine. Family denies any recent/previous viral illnesses prior to onset HSP. Pt had appx 5-6 ''waves'' of HSP (typical course) with no sig renal involvement. Hospitalized overnight once for emesis/dehydration, experienced typical petechiae/purpura, arthralgias, abd pains but otherwise well.

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