"antifiloviral" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti",
        "3": "filoviral"
      },
      "expansion": "anti- + filoviral",
      "name": "prefix"
    }
  ],
  "etymology_text": "anti- + filoviral",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "antifiloviral (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with anti-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Virology",
          "orig": "en:Virology",
          "parents": [
            "Medicine",
            "Microbiology",
            "Pathology",
            "Biology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "That counters the effects of filoviruses"
      ],
      "id": "en-antifiloviral-en-adj-RnpN60SD",
      "links": [
        [
          "filovirus",
          "filovirus"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "antifiloviral"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "anti",
        "3": "filoviral"
      },
      "expansion": "anti- + filoviral",
      "name": "prefix"
    }
  ],
  "etymology_text": "anti- + filoviral",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "antifiloviral (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with anti-",
        "English uncomparable adjectives",
        "en:Virology"
      ],
      "glosses": [
        "That counters the effects of filoviruses"
      ],
      "links": [
        [
          "filovirus",
          "filovirus"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "antifiloviral"
}