[Is Chlamydia TWAR of significance in The Netherlands?].

Chlamydia TWAR is as a newly recognised organism that causes respiratory tract infection with human-to-human transmission. Our sero-epidemiological study showed that in The Netherlands prevalence of TWAR antibodies is very low in children under the age of five years, increases after beginning of school age until adolescence, and remains high (80%) during adulthood. It is known that Chlamydia TWAR can cause acute lower respiratory tract infection. However, the exact clinical spectrum within the various groups of patients still needs to be defined.