<|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: all data are publicly available   https://www.cdc.gov/coronavirus/2019-ncov/about/index.html   https://www.niaid.nih.gov/diseases-conditions/coronaviruses   https://www.worldometers.info/coronavirus/   https://www.nbcnews.com/science/science-news/scientists-under-pressure-try-balance-speed-safety-coronavirus-vaccine-research-n1168946   https://www.cnn.com/2020/04/01/europe/iceland-testing-coronavirus-intl/index.html   https://journals.lww.com/ajg/Documents/COVID19_Han_et_al_AJG_Preproof.pdf   https://about.unimelb.edu.au/newsroom/news/2020/march/preventative-vaccine-trial-for-covid-19-healthcare-workers   https://ourworldindata.org/coronavirus   https://www.socscistatistics.com/tests/spearman/default2.aspx   https://www.latimes.com/world-nation/story/2020-04-04/north-koreas-official-coronavirus-count-zero-why-that-claim-is-hard-to-believe<|eot_id|><|start_header_id|>assistant<|end_header_id|>

yes<|eot_id|>