First, I need to write an original article for the keyword "What Level Is A Fever". The context provided includes various phrases, but I should focus on the main topic. The requirements are: - 600 to 900 words. - Natural headings. - Avoid unsupported claims. - Do not mention that this was AI-generated. - Write only safe HTML using h2, h3, p, ul, ol, li, strong, and em tags. No markdown fences. I'll structure the article around the concept of fever levels, explaining what temperature ranges constitute different fever levels, and include relevant information from the context where applicable. The context mentions "Fevers" multiple times, "What is a fever", and "at which temperature you should be concerned". I'll use these to guide the content. The article should be informative, factual, and avoid unsupported claims. I'll define fever, list temperature ranges for different levels (e.g., low-grade, moderate, high-grade), and discuss when to seek medical attention. I'll also include natural headings like "Understanding Fever Levels", "When to Be Concerned", etc. To meet the word count, I need to expand on the topic. I can include causes of fever, how to measure temperature, and general advice for managing fever. But I must ensure it's relevant to the keyword. I'll start with an introduction that addresses the keyword directly. Then, use headings to break down the content. Let me outline: 1. Introduction: Define fever and state that levels are based on temperature readings. 2. Understanding Fever Levels: Explain the different levels (e.g., low-grade: 99-100.4°F, moderate: 100.5-102.2°F, high-grade: above 102.3°F). This must be based on reliable sources. 3. How to Measure Temperature: Discuss different methods and their accuracy. 4. When to Be Concerned: Refer to the context about "at which temperature you should be concerned", including for different age groups. 5. Common Causes of Fever: Briefly list infections, etc. 6. Managing Fever: General home care advice. 7. Conclusion: Summary with reassurance. I need to ensure all claims are supported. I can use general medical knowledge, but since I'm not citing sources, I'll stick to widely accepted facts. For example, fevers are generally considered over 100.4°F (38°C) in adults. Avoid unsupported claims: Don't say things like "fevers are always dangerous" without backing. Stick to standard medical guidelines. Now, write the article in HTML format with natural headings. Use h2 for main headings, h3 for subheadings, p for paragraphs, and lists where appropriate. Let's write the content. First, the HTML structure. I'll start with the body since the instruction is to return only safe HTML. So I'll wrap everything in tags? Actually, the instruction says "Return only safe HTML using h2, h3, p, ul, ol, li, strong, and em tags." So I can just provide the HTML content without or tags, but for completeness, I might use or similar. To keep it simple, I'll just use the specified tags. I'll write:

Understanding Fever Levels

, etc. Now, the article. Introduction: When we ask "What level is a fever?" we are typically trying to determine the severity of an elevated body temperature. A fever is a temporary increase in body temperature, often due to an illness. Understanding the different fever levels can help you decide when to monitor at home or seek medical care. Then, Understanding Fever Levels: For adults, normal body temperature ranges from 97°F to 99°F. A fever is generally considered a temperature of 100.4°F (38°C) or higher. Fever levels are often categorized as: - Low-grade fever: 100.4°F to 102.2°F (38°C to 39°C) - Moderate fever: 102.3°F to 104.0°F (39°C to 40°C) - High-grade fever: Above 104.0°F (40°C) - Hyperpyrexia: Very high fever above 106°F (