Editor's note

Mexicans will go to the polls to choose their next president in 2018. The race is shaping up to be tumultuous, featuring an unlikely coalition between the leftist Democratic Revolutionary Party and the conservative National Action Party, a firebrand outsider frontrunner, and a slew of independent candidates. Salvador Vázquez del Mercado asks whether such a crowded presidential field is good for democracy or a sign of chaos to come.

A South African child born to an HIV-infected mother has been in remission for nine years without taking antiretroviral drugs, and it’s still not clear why. Caroline T Tiemessen is part of the team investigating this unusual case; she explains what it means for tackling HIV/AIDS both now and in the future.

Catesby Holmes

Commissioning Editor

Top story

Mexican President Enrique Peña Nieto’s administration has been plagued by corruption and scandal, and many voters have finally had enough. Edgard Garrido/Reuters

As angry voters reject major parties, Mexico's 2018 presidential race grows chaotic

Salvador Vázquez del Mercado, Centro de Investigación y Docencia Económicas

Mexico's 2018 presidential race hasn't even begun, but it's already a nail-biter, featuring two women, a left-wing firebrand, party defections, strange bedfellows and no small dose of scandal.

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