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 new Covid SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus-2), was first recognized in Wuhan (China) in December 2019, addresses a similar family as the Severe Acute Respiratory Syndrome Coronavirus-1 (SARS-CoV-1). On January 30, 2020 the World Health Organization pronounced the flare-up as a Public Health Emergency of International Concern. Diagnosis of this disease is carried out by using special molecular tests. It is mandatory to associate the individual with COVID 19 symptom and isolation is necessary to prevent further transmission of this virus. This review highlights the formation, prodrome, transmission, survival mechanism of COVID 19 and shows that, the pandemic circumstance fundamentally improves air quality in various urban areas across the globe, decreases water contamination and commotion, and diminishes the tension on the traveller objections, which may help with the reclamation of the natural framework. The worldwide effect of this new outbreak is yet dubious.
["Diagnosis", "Mechanism", "Prevention", "Transmission"]