Cite
MLA Citation
Dan Wu et al.. “A case–case study on the effect of primary and booster immunization with China-produced COVID-19 vaccines on prevention of pneumonia and viral load among vaccinated persons infected by Delta and Omicron variants.” Emerging microbes & infections, vol. 11, no. 1, 2022, pp. 1950–1958. http://access.bl.uk/ark:/81055/vdc_100161167577.0x000004