Spondylarthritis (SpA) represents a group of arthritis diseases that have similar symptoms such as inflammatory back pain and inflammation at sites where tendons attach to bone. It includes ankylosing spondylitis, psoriatic arthritis, inflammatory bowel-disease-related arthritis, reactive arthritis and undifferentiated spondylarthritides (uSpA).
Since Chlamydia trachomatis or Chlamydia pneumoniae frequently cause reactive arthritis, a new study [...]
