Exploring novel sero-epidemiological tools-Effect of different storage conditions on longitudinal stability of microarray slides comprising influenza A-, measles- and Streptococcus pneumoniae antigens.

•Monitoring long-term stability of spotted MA slides is important for quality assurance.•Under temperature-controlled & dry conditions, spotted slides were stable for >22 mths.•Stockpiling of spotted MA slides facilitates laboratory preparedness.