CAJICA, Colombia – Authorities in Brazil released new efficacy data for Sinovac Biotech Ltd.'s COVID-19 vaccine Coronavac that surprised on the downside, suggesting the vaccine could be much less effective than initially indicated for preventing symptomatic infections.
CAJICA, Colombia – The 33 countries across Latin America, Central America and the Caribbean are taking vastly different approaches to secure, acquire and distribute COVID-19 vaccines. A handful of the region’s wealthier countries have signed deals with vaccine suppliers or plan to manufacture them, but it is unclear how others will source or distribute vaccines to protect roughly 657 million people. Many are counting on the COVAX initiative.