By Huong Le Thu and Sarah Teo*
The Quadrilateral Security Dialogue has been the venue for the most visible foreign policy signalling on the Indo-Pacific from US President Joe Biden since he assumed office in January. In March, Biden convened the first Quad leaders’ summit with his counterparts from Australia, India and Japan, though attention on this cooperative arrangement, and its potential, had been growing even before then. The anticipation of the Quad’s new Covid-19 vaccine partnership is adding both to the forum’s relevance and to the challenges it faces in meeting expectations.
