1. Human USDoHa, Services (DHHS) PHSP, Centers for Disease Control (CDC)/Food and Drug Administration (FDA) VAERS, (VAERS) 1990-07/09/2021 CWO-lD. Vaccine adverse event reporting system (VAERS). http://wonder.cdc.gov/vaers.html. Accessed 25 July 2021
2. Possible side effects after getting a COVID-19 vaccine. https://www.cdc.gov/coronavirus/2019-ncov/vaccines/expect/after.html. Accessed 25 July 2021
3. COVID-19 mRNA Pfizer- BioNTech vaccine analysis print. Medicines and healthcare products regulatory agency (MHRA) COVID-19 mRNA Pfizer-BionNTech vaccine analysis print. https://www.gov.uk/government/publications/regulatory-approval-of-pfizer-biontech-vaccine-for-covid-19/summary-public-assessment-report-for-pfizerbiontech-covid-19-vaccine
4. COVID-19 Moderna vaccine analysis print. Medicines and healthcare products regulatory agency (MHRA) COVID-19 mRNA moderna vaccine analysis print. https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1005198/COVID-19_vaccine_Moderna_analysis_print.pdf. Accessed 25 July 2021
5. COVID-19 vaccine AstraZeneca analysis print. Medicines and healthcare products regulatory agency (MHRA) COVID-19 vaccine AstraZeneca analysis print. https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwjOpfPmr-PyAhXQTN8KHdBvBCwQFnoECAMQAQ&url=https%3A%2F%2Fassets.publishing.service.gov.uk%2Fgovernment%2Fuploads%2Fsystem%2Fuploads%2Fattachment_data%2Ffile%2F966183%2FCOVID-19_AstraZeneca_Vaccine_Analysis_Print.pdf&usg=AOvVaw0QgM3Iq5YQM2tFZAPOzEMu