Received: 4 December 2022
Accepted: 19 March 2023
First Online: 30 March 2023
: Samples were collected during the COVID-19 pandemic response activities in Kinshasa. The data were collected anonymously and confidentially. The privacy and personalities of patients have been preserved according to the Helsinki Declaration.
: Not applicable.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be considered as a potential conflict of interest.