Concerns rise in Chile over efficacy of Chinese-developed vaccine

Chile has largely used Chinese-developed COVID-19 vaccines to ensure one of the highest vaccination rates in the world. But a recent surge in infections is causing concern that the jabs, developed by China’s Sinovac Biotech, are not as effective against some strains of the virus. Al Jazeera's Latin America Editor Lucia Newman reports from Santiago, Chile. – Subscribe to our channel: – Follow us on Twitter: – Find us on Facebook: – Check our website: #AlJazeeraEnglish #Chile #ChineseVaccine
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