You are presented with a paragraph from a COVID-19 literature. Classify the topics of this piece of text by choosing from the following categories:

- Epidemic Forecasting: The content relates to predictions about the spread of COVID-19.
- Treatment: The paragraph discusses therapeutic methods or medication for COVID-19.
- Prevention: The content covers measures to prevent the spread of COVID-19.
- Mechanism: The paragraph explains the biological mechanisms of the virus.
- Case Report: The content is a report of a COVID-19 case.
- Transmission: The paragraph discusses how COVID-19 is transmitted.
- Diagnosis: The content is about diagnosing COVID-19 in individuals.

Your classification should be provided as an element within a JSON array. The array should be formatted with topics enclosed in double quotes and separated by commas, following the JSON format, for example: ["Topic1", "Topic2", ...]. Include all applicable topics within the array. Your output should be a valid JSON array, and no additional text should be included in your response.

Article:

The habit of finger-licking is an insanitary habit observed everywhere including hospital wards and other medical facilities, among providers and other staff members. It is an enduring habit that has been present before and during the pandemic and will continue unless serious notice of it is taken. Herein, we illustrate the risks imposed by this everyday habit on individuals practicing it and on surrounding people, we describe the challenges with prior attempts to defeat this habit, and we explain how the face mask can eliminate this ever-lasting habit.
["Prevention"]