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Cesar Chelala

  • August 04, 2020

    Wrong message

    Public health messages addressed to the general population should be clear and unambiguous. This is particularly important in times of a pandemic...

  • July 29, 2020

    Misguided attacks

    As an international public health consultant, I have carried out several public health missions for the Pan American Health Organization , the...

  • July 25, 2020

    Trump and psychology

    In 1999, Justin Kruger and David Dunning wrote a paper, 'Unskilled and Unaware of It: How Difficulties in Recognizing One’s Own Incompetence Lead...

  • May 28, 2020

    Pandemic challenge

    On May 19, 2020, two notable events occurred in Brazil: for the first time in the country, there were more than a thousand Covid-19 deaths and its...

  • May 04, 2020

    Lessons from Covid-19

    Although far from over, the Covid-19 pandemic has already provided important lessons. From the public health point of view, perhaps the most...

  • April 07, 2020

    Promising approach

    In 1991, I headed a UNDP mission of Latin American physicians to evaluate a national Cuban project involving the use of interferon to treat...

  • February 22, 2020

    Brazil and democracy

    “The Big Honcho suppressed all the newspapers that risked timid repairs to his management, and promised that factories would produce better...