Regarding 3rd dose + booster, has been guideance from JCVI, CDC
https://www.gov.uk/government/news/...ose-vaccination-for-severely-immunosuppressed
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/recommendations/immuno.html
Nearly half of organ transplant patients + those of high dose immunosuppresants were unfortunately found to have very low levels of antibodies post two doses of covid vaccines, but improved with 3rd - with ongoing larger scale trials regarding efficacy.
https://www.nejm.org/doi/full/10.1056/NEJMc2111462
https://www.gov.uk/government/news/...ose-vaccination-for-severely-immunosuppressed
https://www.cdc.gov/coronavirus/2019-ncov/vaccines/recommendations/immuno.html
Nearly half of organ transplant patients + those of high dose immunosuppresants were unfortunately found to have very low levels of antibodies post two doses of covid vaccines, but improved with 3rd - with ongoing larger scale trials regarding efficacy.
https://www.nejm.org/doi/full/10.1056/NEJMc2111462