https://www.mssociety.org.uk/research/latest-research/research-blog/new-study-explores-how-different-dmts-affect-covid-19-vaccine-response?utm_source=Facebook&utm_medium=organic_post&utm_content=study_dmts_covid19_fb&utm_campaign=2021M7202_1162&fbclid=IwAR3-S2xbY00k8Kciflzuwd2KfDNG5DqoNnNazHjvK1tGL3jPqFkuPf-mNRA - link looks at the Pfizer vaccine and those on cladribine, fingolimod and ocrelizumab. I wasn't offered the choice, I had Astra Zeneca and I'm on fingolimod, so I'll apply the same results in the knowledge that the DMT has reduce the effectiveness of the vaccine and something is better than nothing.