Chile and Uruguay, from model to emergency By the first week of April, Chile had received close to 15 million doses of vaccines from the Sinovac and Pfizer laboratories. Copyright: Chilean Ministry of Science, Technology, Knowledge and Innovation. Speed read Loss of risk perception due to vaccines may be contributing to the rise in infections Experts agree that preventative measures and vaccination progress must be maintained Share this article: Republish We encourage you to republish this article online and in print, it’s free under our creative commons attribution license, but please follow some simple guidelines: You have to credit our authors.