Genetic relatedness of ceftriaxone-resistant and high-level azithromycin resistant Neisseria gonorrhoeae cases, United Kingdom and Australia, February to April 2018 by Jennison, AV, Whiley, D, Lahra, MM, Graham, RM, Cole, MJ, Hughes, G, Fifer, H, Andersson, M, Edwards, A, Eyre, D