Santiago, March 7 (TIWN) The Chilean Health Ministry reported 5,325 new Covid-19 cases in the last 24 hours, the highest figure since June 2020, increasing the overall caseload to 845,450,

Argentina, Brazil, and Mexico are big players in Latin America’s vaccine race, but other countries are taking their places in the relay. There have also been multilateral efforts to promote cooperation, including the World Health Organization’s COVAX Facility, an initiative working toward rapid and fair access to vaccines across the globe with a goal of delivering 2 billion doses by 2021’s end.

Clinical testing for vaccines usually occurs in three phases. Phase 1 involves testing dosage safety on a small group of volunteers. Phase 2 extends trials to a wider group. Phase 3, prior to limited use and approval, involves large-scale testing to compare infection rates from those given placebo vaccines. Most vaccines being made available in the region require two doses, but some are of single dosage, such as Johnson & Johnson and CanSino. AS/COA Online lays out the developments toward a vaccine in the region.