CNN2: subjectpartBANNER=|=”banner-text screaming-banner-text banner-text-size–char-47″ data-analytics=”_list-hierarchical-xs_hyperlink_”>Chinese Covid-19 vaccine efficacy is ‘not high, ‘ top health official admits| ((lubuntu at wor2 670N)))

|| Chinese Covid-19 vaccine efficacy is ‘not high,’ top health official admits ||=”banner-text screaming-banner-text banner-text-size–char-47″ data-analytics=”_list-hierarchical-xs_hyperlink_”>Chinese Covid-19 vaccine efficacy is ‘not high,’ top health official admits