Here are a few options for a description for the WordPress post tag “寵物染疫”, with varying levels of detail and focus:

**Option 1 (Concise & General):**

> 關於寵物感染 COVID-19 病毒的資訊與討論。涵蓋症狀、預防措施、治療方法及相關新聞。
>
> *Translation: Information and discussion regarding pets contracting the COVID-19 virus. Includes symptoms, preventative measures, treatment methods, and related news.*

**Option 2 (Focus on Symptoms & Concerns):**

> 深入探討寵物染疫的相關議題，了解牠們可能出現的症狀。我們將關注寵物在疫情期間的健康與安全，並提供飼主實用建議。
>
> *Translation: An in-depth look at the issues surrounding pets contracting COVID-19, understanding the symptoms they may exhibit. We will focus on the health and safety of pets during the pandemic and provide practical advice for owners.*

**Option 3 (Focus on Prevention & Resources):**

> 寵物染疫：疫情下如何保護您的毛小孩。提供預防指南、治療建議及相關資源，協助您應對寵物感染新冠病毒的風險。
>
> *Translation: Pets contracting COVID-19: How to protect your furry friends during the pandemic. Provides prevention guidelines, treatment recommendations, and related resources to help you address the risk of your pet contracting the COVID-19 virus.*

**Option 4 (More Detailed & Informative):**

> 本標籤集合了所有關於寵物感染新冠病毒的相關文章。內容涵蓋動物染疫的風險評估、常見症狀、診斷方法、治療方案，以及如何最大程度地保護您的寵物。同時，我們也會分享最新的研究、案例分析和政府相關政策。
>
> *Translation: This tag collects all articles related to pets contracting the COVID-19 virus. Content includes risk assessment for animals, common symptoms, diagnostic methods, treatment options, and how to maximize the protection of your pets. At the same time, we will also share the latest research, case studies, and government related policies.*

**Choosing the Best Option:**

The best option depends on the overall focus of your website and the specific content you publish. Consider the following:

* **Your Target Audience:** Who are you trying to reach?
* **The Type of Content:** What sorts of articles are you writing?
* **SEO:** Does it include relevant keywords to help search engines find your content?

I would recommend Option 4 if you want to provide comprehensive information. If aiming for a broader audience, Option 1 or 2 might be better. Remember to use traditional Chinese characters and ensure readability for your target audience.