Ser, H.-L., Letchumanan, V., Law, J. W.-F., Tan, L. T.-H., Ab Mutalib, N.-S. and Lee, L.-H. (2020) “PMMB COVID-19 Bulletin: Spain (18th April 2020)”, Progress In Microbes & Molecular Biology, 3(1). doi: 10.36877/pmmb.a0000074.