Correction: Malar J (2020) 19:241 https://doi.org/10.1186/s12936-020-03314-5

Following publication of the original article [1], it was brought to the journal's attention that the Funding declaration was incomplete. The declaration has since been corrected to the following:

This study was supported by the Long Term Research Grant Scheme (LRGS/1/2018/UM/01/1/4) of the Ministry of Higher Education, Malaysia.

The authors thank you for reading this erratum and apologize for any inconvenience caused.