This endpoint returns a list of all available topics and hyperlinks to their corresponding detail view.

The topic field is positioned 1 step below sub_theme.

A topic is the name of the topic/threat e.g. COVID-19

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

[
    {
        "name": "iGAS",
        "link": "https://api.ukhsa-dashboard.data.gov.uk/themes/infectious_disease/sub_themes/invasive_bacterial_infections/topics/iGAS?format=api"
    }
]