The Pan American Health Organization (PAHO) highlighted on Wednesday the worrying rise in Covid-19 infections in South America
Low levels of vaccine skepticism has also helped, with less than 20 percent of the population rejecting the immunization.
As of July 20 there were 311,000 deaths in the Americas and that last week the region reached the level of 900,000 new cases with 22,000 deaths, mostly in Brazil, Mexico and the United States.
Chileans gleefully ripped up their Pinochet-era constitution in a weekend referendum, but the focus turned to the next chapter.
The American continent has summed 19 million cases and more than 614,000 deaths related to the new coronavirus that appeared in China at the end of 2019. This represents almost half of the known infections and deaths worldwide.
Piñera's decision drew criticism from the political opposition, the government and environmental organizations.
COVID-19 has already infected 6.7 million people with 260,000 deaths in the region.
The COVID-19 pandemic is causing an unprecedented mental health crisis in the American continent, PAHO warned Tuesday, while the infections once again set off alarms in Spain and began a new phase in the Asia-Pacific region.