What's the plural form of chlamydia? Here's the word you're looking for.
Answer
The noun chlamydia can be countable or uncountable.
In more general, commonly used, contexts, the plural form will be chlamydias.
However, in more specific contexts, the plural form can also be chlamydiae e.g. in reference to various types of chlamydiae
or a collection of chlamydiae.