Source: VAERS.HHS.GOV
VAERS accepts reports of adverse events and reactions that occur following vaccination. Healthcare providers, vaccine manufacturers, and the public can submit reports to the system. While very important in monitoring vaccine safety, VAERS reports alone cannot be used to determine if a vaccine caused or contributed to an adverse event or illness. The reports may contain information that is incomplete, inaccurate, coincidental, or unverifiable. In large part, reports to VAERS are voluntary, which means they are subject to biases. This creates specific limitations on how the data can be used scientifically. Data from VAERS reports should always be interpreted with these limitations in mind.
The strengths of VAERS are that it is national in scope and can quickly provide an early warning of a safety problem with a vaccine. As part of CDC and FDA’s multi-system approach to post-licensure vaccine safety monitoring, VAERS is designed to rapidly detect unusual or unexpected patterns of adverse events, also known as “safety signals.” If a safety signal is found in VAERS, further studies can be done in safety systems such as the CDC’s Vaccine Safety Datalink (VSD) or the Clinical Immunization Safety Assessment (CISA) project. These systems do not have the same scientific limitations as VAERS, and can better assess health risks and possible connections between adverse events and a vaccine.
Key considerations and limitations of VAERS data:
VAERS data available to the public include only the initial report data to VAERS. Updated data which contains data from medical records and corrections reported during follow up are used by the government for analysis. However, for numerous reasons including data consistency, these amended data are not available to the public.
very tired, slept all day; slept all day; She had trouble breathing; pain in back of right shoulder; found two blood clots on lungs and two in legs; found two blood clots on lungs and two in legs; there was damaged to his wife's heart too; weighed165 pounds initially and then went down to 145; This spontaneous case was reported by a consumer and describes the occurrence of DYSPNOEA (She had trouble breathing), ARTHRALGIA (pain in back of right shoulder), FATIGUE (very tired, slept all day), HYPERSOMNIA (slept all day), PULMONARY EMBOLISM (found two blood clots on lungs and two in legs), DEEP VEIN THROMBOSIS (found two blood clots on lungs and two in legs) and CARDIAC DISORDER (there was damaged to his wife's heart too) in a 79-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 028A2 or 078A2 and 028A2 or 078A2) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below. No Medical History information was reported. On 31-Mar-2021, the patient received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) dosage was changed to 1 dosage form. On an unknown date, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (unknown route) 1 dosage form. On an unknown date, the patient experienced DYSPNOEA (She had trouble breathing) (seriousness criterion hospitalization), ARTHRALGIA (pain in back of right shoulder) (seriousness criteria medically significant and life threatening), FATIGUE (very tired, slept all day) (seriousness criteria hospitalization, medically significant and life threatening), HYPERSOMNIA (slept all day) (seriousness criteria hospitalization, medically significant and life threatening), PULMONARY EMBOLISM (found two blood clots on lungs and two in legs) (seriousness criteria hospitalization and medically significant), DEEP VEIN THROMBOSIS (found two blood clots on lungs and two in legs) (seriousness criteria hospitalization and medically significant), CARDIAC DISORDER (there was damaged to his wife's heart too) (seriousness criterion hospitalization) and WEIGHT DECREASED (weighed165 pounds initially and then went down to 145). At the time of the report, DYSPNOEA (She had trouble breathing), ARTHRALGIA (pain in back of right shoulder), FATIGUE (very tired, slept all day), HYPERSOMNIA (slept all day), PULMONARY EMBOLISM (found two blood clots on lungs and two in legs), DEEP VEIN THROMBOSIS (found two blood clots on lungs and two in legs), CARDIAC DISORDER (there was damaged to his wife's heart too) and WEIGHT DECREASED (weighed165 pounds initially and then went down to 145) outcome was unknown. DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Computerised tomogram: two blood clots on lungs and two (abnormal) two blood clots on lungs and two in legs. On an unknown date, Weight: 145 (Low) weighed 165 pounds initially and then went down to 145. The patient was hospitalized for around four days. The patient size of clots as 10 cm and 9cm in the lungs. The reporter stated that Heparin was used in the hospital and after the discharge the patient was put on Eliquis for the next 6 months. The reporter reported that the patient weighed165 pounds initially and then went down to 145 afterwards. Action taken with the mRNA-1273 is considered as not applicable. Company comment: Based on the information provided which includes a temporal association between the use of mRNA-1273 vaccine, the onset of the reported events, a causal relationship cannot be excluded.
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| Name | Dose # | Type | Manufacturer | Lot | Route | Site |
|---|---|---|---|---|---|---|
| COVID19 (COVID19 (MODERNA)) | 1 | COVID19 | MODERNA | 028A2 or 078A2 | OT | LA |
| RECVDATE: | 05-07-2021 | RPT_DATE: |
| CAGE_YR: | |
| CAGE_MO: | |
| DIED: | U |
| DATEDIED: | |
| L_THREAT: | Y |
| ER_VISIT: | |
| HOSPITAL: | Y |
| HOSPDAYS: | |
| X_STAY: | U |
| DISABLE: | U |
| RECOVD: | U |
| LAB_DATA: | Test Name: CAT scan; Result Unstructured Data: two blood clots on lungs and two in legs; Test Name: Weight check; Result Unstructured Data: weighed 165 pounds initially and then went down to 145 |
| V_ADMINBY: | |
| OTHER_MEDS: | |
| CUR_ILL: | |
| HISTORY: | |
| PRIOR_VAX: | |
| SPLTTYPE: | USMODERNATX, INC.MOD20210 |
| FORM_VERS: | |
| TODAYS_DATE: | 05-07-2021 |
| BIRTH_DEFECT: | U |
| OFC_VISIT: | U |
| ER_ED_VISIT: | U |
| ALLERGIES: | |
| V_FUNDBY: |
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