Which of the following is NOT a recommended action for a child suffering from viral respiratory infection?

In the context of treating a child with a viral respiratory infection, utilizing antibiotic therapy is not recommended because antibiotics are designed to combat bacterial infections, not viral ones. Viral respiratory infections, such as the common cold or viral bronchitis, do not respond to antibiotics, and their inappropriate use can lead to antibiotic resistance and other adverse side effects.

The other options represent appropriate and supportive care measures for a child experiencing viral respiratory infections. For instance, using a cool mist vaporizer can help alleviate congestion and promote moisture in the air, making breathing easier. Offering a soft-to-liquid diet can ensure the child remains well-nourished while also being easier to swallow if they are experiencing throat discomfort. Additionally, administering acetaminophen can help manage fevers and provide relief from discomfort. Each of these actions can support the child's recovery and enhance their comfort during illness.