Search Results - "Kwan, Kelvin K.H."

Real-world COVID-19 vaccine effectiveness against the Omicron BA.2 variant in a SARS-CoV-2 infection-naive population by Lau, Jonathan J., Cheng, Samuel M. S., Leung, Kathy, Lee, Cheuk Kwong, Hachim, Asmaa, Tsang, Leo C. H., Yam, Kenny W. H., Chaothai, Sara, Kwan, Kelvin K. H., Chai, Zacary Y. H., Lo, Tiffany H. K., Mori, Masashi, Wu, Chao, Valkenburg, Sophie A., Amarasinghe, Gaya K., Lau, Eric H. Y., Hui, David S. C., Leung, Gabriel M., Peiris, Malik, Wu, Joseph T.

“…The SARS-CoV-2 Omicron variant has demonstrated enhanced transmissibility and escape of vaccine-derived immunity. Although first-generation vaccines remain…”
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Immunogenicity and reactogenicity of SARS-CoV-2 vaccines BNT162b2 and CoronaVac in healthy adolescents by Rosa Duque, Jaime S., Wang, Xiwei, Leung, Daniel, Cheng, Samuel M. S., Cohen, Carolyn A., Mu, Xiaofeng, Hachim, Asmaa, Zhang, Yanmei, Chan, Sau Man, Chaothai, Sara, Kwan, Kelvin K. H., Chan, Karl C. K., Li, John K. C., Luk, Leo L. H., Tsang, Leo C. H., Wong, Wilfred H. S., Cheang, Cheuk Hei, Hung, Timothy K., Lam, Jennifer H. Y., Chua, Gilbert T., Tso, Winnie W. Y., Ip, Patrick, Mori, Masashi, Kavian, Niloufar, Leung, Wing Hang, Valkenburg, Sophie, Peiris, Malik, Tu, Wenwei, Lau, Yu Lung

“…We present an interim analysis of a registered clinical study (NCT04800133) to establish immunobridging with various antibody and cellular immunity markers and…”
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Strength and durability of antibody responses to BNT162b2 and CoronaVac by Cowling, Benjamin J., Wong, Irene O.L., Shiu, Eunice Y.C., Lai, Amber Y.T., Cheng, Samuel M.S., Chaothai, Sara, Kwan, Kelvin K.H., Martín-Sánchez, Mario, Poon, Leo L.M., Ip, Dennis K.M., Leung, Gabriel M., Leung, Nancy H.L., Peiris, J.S. Malik

“…We studied 2780 adults in Hong Kong who received CoronaVac inactivated virus vaccine (Sinovac) and BNT162b2 mRNA vaccine (“Comirnaty”, BioNTech/Fosun Pharma)…”
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Immunogenicity of a Third Dose of BNT162b2 to Ancestral Severe Acute Respiratory Syndrome Coronavirus 2 and the Omicron Variant in Adults Who Received 2 Doses of Inactivated Vaccine by Leung, Nancy H L, Cheng, Samuel M S, Martín-Sánchez, Mario, Au, Niki Y M, Ng, Yvonne Y, Luk, Leo L H, Chan, Karl C K, Li, John K C, Leung, Yonna W Y, Tsang, Leo C H, Chaothai, Sara, Kwan, Kelvin K H, Ip, Dennis K M, Poon, Leo L M, Leung, Gabriel M, Peiris, J S Malik, Cowling, Benjamin J

“…Limited data exist on antibody responses to mixed vaccination strategies that involve inactivated coronavirus disease 2019 (COVID-19) vaccines, particularly in…”
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Immunogenicity against wild-type and Omicron SARS-CoV-2 after a third dose of inactivated COVID-19 vaccine in healthy adolescents by Leung, Daniel, Cohen, Carolyn A, Mu, Xiaofeng, Rosa Duque, Jaime S, Cheng, Samuel M S, Wang, Xiwei, Wang, Manni, Zhang, Wenyue, Zhang, Yanmei, Tam, Issan Y S, Lam, Jennifer H Y, Chan, Sau Man, Chaothai, Sara, Kwan, Kelvin K H, Chan, Karl C K, Li, John K C, Luk, Leo L H, Tsang, Leo C H, Chu, Nym Coco, Wong, Wilfred H S, Mori, Masashi, Leung, Wing Hang, Valkenburg, Sophie, Peiris, Malik, Tu, Wenwei, Lau, Yu Lung

“…Two doses of inactivated SARS-CoV-2 vaccine CoronaVac cannot elicit high efficacy against symptomatic COVID-19, especially against the Omicron variant, but…”
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Comparative antibody and cell-mediated immune responses, reactogenicity, and efficacy of homologous and heterologous boosting with CoronaVac and BNT162b2 (Cobovax): an open-label, randomised trial by Leung, Nancy H L, Cheng, Samuel M S, Cohen, Carolyn A, Martín-Sánchez, Mario, Au, Niki Y M, Luk, Leo L H, Tsang, Leo C H, Kwan, Kelvin K H, Chaothai, Sara, Fung, Lison W C, Cheung, Alan W L, Chan, Karl C K, Li, John K C, Ng, Yvonne Y, Kaewpreedee, Prathanporn, Jia, Janice Z, Ip, Dennis K M, Poon, Leo L M, Leung, Gabriel M, Peiris, J S Malik, Valkenburg, Sophie A, Cowling, Benjamin J

“…Few trials have compared homologous and heterologous third doses of COVID-19 vaccination with inactivated vaccines and mRNA vaccines. The aim of this study was…”
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Antibody and T cell responses against wild-type and Omicron SARS-CoV-2 after third-dose BNT162b2 in adolescents by Mu, Xiaofeng, Cohen, Carolyn A., Leung, Daniel, Rosa Duque, Jaime S., Cheng, Samuel M. S., Chung, Yuet, Wong, Howard H. W., Lee, Amos M. T., Li, Wing Yan, Tam, Issan Y. S., Lam, Jennifer H. Y., Lee, Derek H. L., Chan, Sau Man, Tsang, Leo C. H., Chan, Karl C. K., Li, John K. C., Luk, Leo L. H., Chaothai, Sara, Kwan, Kelvin K. H., Chu, Nym Coco, Mori, Masashi, Jeevan, Trushar, Kandeil, Ahmed, Webby, Richard J., Tu, Wenwei, Valkenburg, Sophie A., Peiris, Malik, Lau, Yu Lung

“…The high effectiveness of the third dose of BNT162b2 in healthy adolescents against Omicron BA.1 has been reported in some studies, but immune responses…”
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Humoral and Cellular Immunogenicity of 3 Doses of BNT162b2 in Children With Kidney Diseases by Leung, Daniel, Chan, Eugene Yu-hin, Mu, Xiaofeng, Rosa Duque, Jaime S., Cheng, Samuel M.S., Ho, Fanny Tsz-wai, Tong, Pak-chiu, Lai, Wai-ming, Lee, Matthew H.L., Chim, Stella, Tam, Issan Y.S., Tsang, Leo C.H., Kwan, Kelvin K.H., Chung, Yuet, Wong, Howard H.W., Lee, Amos M.T., Li, Wing Yan, Sze, Summer T.K., Lam, Jennifer H.Y., Lee, Derek H.L., Chan, Sau Man, Tu, Wenwei, Peiris, Malik, Ma, Alison Lap-tak, Lau, Yu Lung

“…IntroductionPatients with severe kidney diseases are at risk of complications from COVID-19; however, little is known about the effectiveness of COVID-19…”
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Humoral and Cellular Immunogenicity and Safety of 3-Dose Inactivated COVID-19 Vaccine in Young Children Less Than 5 Years With Kidney Diseases by Chan, Eugene Yu-Hin, Leung, Daniel, Cheng, Samuel M.S., Rosa Duque, Jaime S., Mu, Xiaofeng, Ho, Fanny Tsz-Wai, Tong, Pak-Chiu, Lai, Wai-Ming, Lee, Matthew H.L., Chim, Stella, Tam, Issan Y.S., Tsang, Leo C.H., Kwan, Kelvin K.H., Chung, Yuet, Wong, Howard H.W., Lee, Amos M.T., Li, Wing Yan, Sze, Summer T.K., Lam, Jennifer H.Y., Lee, Derek H.L., Chan, Sau Man, Tu, Wenwei, Peiris, Malik, Ma, Alison Lap-Tak, Lau, Yu Lung

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