Bleeding, clotting events following COVID-19 vaccination 'minuscule' in India: Government report The Union Health Ministry is separately issuing advisories to Healthcare Workers and Vaccine Beneficiaries to encourage people to be aware of suspected thromboembolic symptoms occurring within 20 days after receiving any COVID-19 vaccine The National Adverse Event Following Immunization (AEFI) Committee in its report submitted to the Union Health Ministry said that bleeding and clotting cases following COVID vaccination in India are "minuscule" and in line with the expected number of diagnoses of these conditions in the country. According to a statement issued on Monday by the Ministry of Health and Family Welfare, alerts have been raised in some countries on post-vaccination "embolic and thrombotic events" on March 11 particularly with the AstraZeneca-Oxford vaccine (COVISHIELD in India).