Table 1.

Existing COVID-19 related studies.

Work	Security Objectives		Platform		Sector
	Privacy	Security	Android	OS	Health	Education	Critical Infrastructure	Individual	Public
[10]		✓		✓				✓	✓
[11]		✓		✓		✓		✓
[12]		✓		✓				✓	✓
[13]		✓		✓				✓	✓
[14]		✓		✓					✓
[15]		✓		✓		✓	✓	✓	✓
[14]		✓		✓	✓			✓	✓
[16]		✓		✓				✓	✓
[17]		✓		✓	✓			✓
[18]		✓		✓			✓	✓
[19]		✓		✓				✓	✓
[20]		✓		✓				✓	✓
This article	✓	✓	✓	✓	✓	✓	✓	✓	✓