Retraction notice: Mobile application based speech and voice analysis for COVID-19 detection using computational audit techniques

The publishers of International Journal of Pervasive Computing and Communications wish to retract the article “Mobile application based speech and voice analysis for COVID-19 detection using computational audit techniques” by S.M. Udhaya Sankar, R. Ganesan, J. Katiravan, M. Ramakrishnan and R. Kouser Ruhin, which appeared ahead of print.It has come to our attention that the data in the article is taken, without attribution, from earlier articles:Despite numerous attempts to contact the authors, the journal has received no response; the response of the authors would be gratefully received.The International Journal of Pervasive Computing and Communications submission guidelines make it clear that articles must be original and that data falsification is unacceptable. The publishers of the journal sincerely apologise to the readers and the original authors.