Ramathuba said her department had been inundated with calls from concerned residents about some impostors going around communities drawing blood samples from community members.

The Limpopo provincial health department, Human science research council (HSRC) and the South African medical research council (SAMRC) have warned the public about bogus Covid-19 researchers conning unsuspecting people of their hard-earned money under the pretext of being health researchers from the department.