@article {abdel2022global,
	title = {On a global continuum model for COVID-19 virus in the presence of vaccine and induced immunity. Stability and initial states control},
	journal = {Alexandria Engineering Journal},
	volume = {61},
	number = {11},
	year = {2022},
	note = {n/a},
	pages = {9235{\textendash}9242},
	publisher = {Elsevier},
	abstract = {n/a},
	author = {Hamdy I. Abdel-Gawad and Ahmed H. Abdel-gawad}
}
