@article {15874,
	title = {The impact of vaccination on the evolution of COVID-19 in Portugal},
	journal = {Mathematical Biosciences and Engeneering},
	volume = {19},
	year = {2022},
	pages = {936-952},
	author = {Machado, B. and Antunes, L. and Caetano, C and Pereira, J. F. and Nunes, B. and Patr{\'\i}cio, P and M. L.  Morgado}
}
