Glasser presented her findings to wildlife officials in Uganda, who responded encouragingly, she says, adding hand-sanitising stations at the start of trails.
Every respiratory pathogen that has caused a chimp outbreak in Kibale was present in children living nearby. Then, during Uganda’s most stringent Covid-19 lockdown between March and September 2020, the researchers observed an “extraordinarily clear” drop in infections across the board, Goldberg says, suggesting that schools are indeed a major source of transmission.
Focusing on making children living near great apes healthier, then, could be the best bet for keeping human diseases out of great ape populations. Programmes have already been launched to reduce transmission among local children, teaching handwashing and other hygiene measures.