入门
在 Duaer 里查美国流感活动
在 Duaer 里：Delphi Epidata FluView：CDC ILINet 每周流感样病例比例，可按美国地区或州查询。一次成功查询用 1 额度。
能拿到什么
Duaer 数据市场里的「美国流感活动」：Delphi Epidata FluView：CDC ILINet 每周流感样病例比例，可按美国地区或州查询。查到结果时用 1 额度，结果交给数字组织的下一个节点。
从节点创建器选 Duaer 数据 → 美国流感活动，或打开 数据市场。相关：美国疾控中心开放数据、WHO 卫生统计。
适合做什么
- 跟踪本季美国全国流感活动。
- 按周比较某个州的流感样病例比例。
在画布里检索
- 打开节点创建器，选 Duaer 数据 → US flu activity。
- 至少填一项：Region（如 ca）、Weeks（如 12）。
- Limit 默认 10，最大 20。执行。
查到结果才扣 1 额度；没有结果、输入有误或上游失败都不扣。
用 API 调用
- GET https://api.duaer.com/v1/data/flu-activity?region=nat
- Authorization: Bearer <Duaer key>
下方是与数据市场「复制技能」相同的英文技能，含参数、示例与返回字段。
调用技能（英文）
与数据市场「复制技能」一致。
---
name: duaer-flu-activity
description: >-
Duaer US flu activity. Delphi Epidata FluView: weekly influenza-like illness rates from CDC ILINet by US region or state.
One successful search uses 1 Duaer credit.
---
# Duaer US flu activity
Duaer US flu activity returns weekly influenza-like illness (ILI) rates from CDC ILINet through Delphi Epidata, newest week first.
## When to use
- Track national flu activity this season.
- Compare a state week by week.
## When not to use
- Other CDC datasets. Use https://skills.duaer.com/cdc-data.md.
- Global health indicators. Use https://skills.duaer.com/who-gho.md.
## Call
`GET https://api.duaer.com/v1/data/flu-activity?region=nat`
Header: `Authorization: Bearer <Duaer key>`
Use an account key or a model API key.
Get a Duaer key: https://skills.duaer.com/keys.md
## Parameters
Provide `region` or `weeks`.
- `region` — Optional. `nat`, `hhs1` to `hhs10`, `cen1` to `cen9`, or a state code such as `ca`. Default `nat`.
- `weeks` — Optional. Newest weeks to return, 1 to 20. Default 8.
- `limit` — Optional. Rows to return, from 1 to 20. Default 10.
## Examples
- `GET https://api.duaer.com/v1/data/flu-activity?region=nat` — the last 8 weeks nationally.
- `GET https://api.duaer.com/v1/data/flu-activity?region=ca&weeks=12` — the last 12 weeks in California.
## Result
The response is `{ "items": [...] }`. Each item has `source`, `title`, `url`, and `summary`, plus:
- `region`, `regionName`, `epiweek` — region and epidemiological week such as 2026-W37.
- `weightedIliPct`, `iliPct` — weighted and unweighted share of visits for influenza-like illness.
- `iliVisits`, `patients`, `providers`, `issue`, `releaseDate` — counts and the report issue.
Recent weeks are revised as late reports arrive.
Fields without a value are left out.
## Credits
A search that returns at least one row uses 1 credit.
An empty search, a search that finds nothing, or a failed search uses 0.
Wrong input returns 400 with a message and uses 0.
No remaining credits returns 402 and does not search.
A missing key returns 401.
## Related
- https://skills.duaer.com/cdc-data.md — Duaer CDC open data
- https://skills.duaer.com/who-gho.md — Duaer WHO health statistics
常见问题
Duaer 的美国流感活动检索扣多少额度？
查到结果时扣 1 额度；没有结果或出错不扣。
Duaer 美国流感活动的 weighted ILI 是什么？
按州人口加权后，因流感样症状就诊的比例（百分比）。最近几周会随补报更新。
同组