This endpoint returns a hyperlink to the next step in the data hierarchy.

In this case, the next step in the data hierarchy is sub_themes.

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

[
    {
        "sub_themes": "https://api.ukhsa-dashboard.data.gov.uk/themes/infectious_disease/sub_themes/?format=api"
    }
]