<|begin_of_text|><|start_header_id|>system<|end_header_id|>

You are an expert at identifying data availability statements in scientific text. A data availability statement describes where research data can be found or how it can be accessed.<|eot_id|><|start_header_id|>user<|end_header_id|>

Determine if the following text contains a data availability statement. Answer with 'yes' or 'no'.

Text: Public data on official websites of Health Commission of 23 provinces, 5 autonomous regions, 4 municipalities directly under the Central Government and 2 special administrative regions were retrieved manually. The published date, the number of confirmed COVID-19 cases and the detailed level of data description including symptoms, transmission routes, etc. were recorded. From January 21st to March 3rd, 80303 cases of China were included in. All information above was collected by two persons independently.<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>