Correction to: Electromagnetic waves scattering from a sphere of complex conjugate mediumAhsan Illahi, M. Bashir, Majeed A. S. Alkanhal, Sadia Khatoon, Abdul Ghaffar and Y. KhanJ. Eur. Opt. Soc.-Rapid Publ., 17 1 (2021) 21DOI: https://doi.org/10.1186/s41476-021-00160-z
