Tu Youyou is named a medicine Nobel laureate

The finding does not mean that every possible individual transmission had become impossible.

The 2015 regional observance used regulation of traditional health practitioners as its theme.

WHO’s event notice advocated identifying and supporting qualified traditional health practitioners.

The 2015 event called for systems to protect patients from potentially harmful practices.

The observance raised how countries might recognize practitioners while safeguarding the public.

Tu’s research had consulted old medical literature while combining it with modern laboratory testing.

The 2015 award also honored Campbell and Ōmura for work on another antiparasitic treatment.

The prize drew attention to a Chinese research network whose contributions had often been less visible internationally.

Mexico was verified as having eliminated onchocerciasis transmission.

Repeated ivermectin treatment in endemic areas helped stop transmission.