text: const mongoose = require('mongoose');
  
  const { Schema } = mongoose;
  
  const knowledgeBaseSchema = new Schema({
    kb_code: {
      type: String,
      required: true,
      unique: true,
    },
    blood_test_result: {
      type: String,
      required: true,
    },
    swab_test_result: {
      type: String,
      required: true,
    },
    score: {
      type: String,
      required: true,
    },
  }, {
    timestamps: false,
  });
  
  const KnowledgeBase = mongoose.model('KnowledgeBase', knowledgeBaseSchema);
  
  module.exports = KnowledgeBase;
  