Recent influenza activity in tropical Puerto Rico has become synchronized with mainland US.
Paz-Bailey G, Quandelacy TM, Adams LE, Olsen SJ, Blanton L, Munoz-Jordan JL, Lozier M, Alvarado LI, Johansson MA. Recent influenza activity in tropical Puerto Rico has become synchronized with mainland US. Influenza Other Respir Viruses. 2020 09; 14(5):515-523.