Ethics approval and consent to participate
Ethical approval was obtained from the Kilimanjaro Christian Medical University College (registration 781), the London School of Hygiene and Tropical Medicine (reference 6551), and the Tanzanian National Institute for Medical Research (registration NIMR/HQ/R.8a/VolIX/1803). Written informed consent was provided by an adult caregiver of participating children or adult household member for mosquito collection.