[Infodemic: fake news and COVID-19 mortality trends in six Latin American countriesInfodemia: notícias falsas e tendências na mortalidade por COVID-19 em seis países da América Latina].

Objective: Describe patterns in the dissemination of fake news in the context of COVID-19 mortality and infodemic management in six Latin American countries.

Methods: A descriptive ecological study explored the percentage of the population that is unable to recognize fake news, the percentage who trust social network content, and the percentage who use it as their sole news source in Argentina, Brazil, Chile, Colombia, Mexico, and Peru, up to 29 November 2020. Internet penetration rate, Facebook penetration rate, and COVID-19 mortality were calculated for each country.

Aerobic exercise training during pregnancy reduces depressive symptoms in nulliparous women: a randomised trial.

Question: Does supervised aerobic exercise during pregnancy reduce depressive symptoms in nulliparous women?

Design: Randomised trial with concealed allocation, blinded assessors, and intention-to-treat analysis.

Participants: 80 nulliparous, pregnant women attending for prenatal care at one of three tertiary hospitals in Cali, Colombia.

Intervention: The experimental group completed a 3-month supervised exercise program, commencing at 16 to 20 weeks of gestation.