---
title: "HUALAN BIOLOGICAL's trivalent influenza vaccine loses World Health Organization prequalification status"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/246917269.md"
description: "HUALAN BIOLOGICAL's trivalent influenza vaccine has been removed from the latest prequalification list of the World Health Organization. The vaccine received prequalification in 2015, becoming the first domestically produced influenza vaccine to obtain this certification and was included in the procurement plan of relevant United Nations agencies"
datetime: "2025-07-02T02:51:51.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/246917269.md)
  - [en](https://longbridge.com/en/news/246917269.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/246917269.md)
---

# HUALAN BIOLOGICAL's trivalent influenza vaccine loses World Health Organization prequalification status

In the latest prequalification list of the World Health Organization, HUALAN BIOLOGICAL's trivalent influenza vaccine has been removed. In 2015, HUALAN BIOLOGICAL's influenza vaccine passed the World Health Organization's prequalification and was included in the procurement program of relevant United Nations agencies. It was the first domestically produced influenza vaccine to obtain this certification

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