A new clinical trial will investigate whether a third dose of vaccine for people with weakened immune systems gives a stronger immune response than 2 doses.
The study, OCTAVE DUO, will offer people who are immunosuppressed or immunocompromised a Pfizer, Moderna or Novavax vaccine to determine whether this will give a stronger immune response than 2 doses.
Read more – DHSC (2/9/21)