Antibody-dependent enhancement of SARS-CoV-2, the impact of variants and vaccination by Swapna Thomas, Maria K. Smatti, Hebah Atef Mohammad AlKhatib, Yaman Tayyar, Muna Nizar, Hadeel T. Zedan, Allal Ouhtit, Asmaa A. Althani, Gheyath K. Nasrallah, Hadi M. Yassine

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Poster #43 - Seroprevalence of Hepatitis E Virus (HEV) among craft and manual workers in Qatar (2020–2021) by Nadin Younes, Hadi M. Yassine, Parveen Banu Nizamuddin, Katerina Kourentzi, Patrick Tang, Houssein H. Ayoub, Makiyeh Khalili, Peter V. Coyle, Dmitri Litvinov, Richard C. Willson, Laith J. Abu-Raddad, Gheyath K. Nasrallah

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Comprehensive performance evaluation of four chemiluminescence immunoassays for detecting vitamin D deficiency across diverse clinical conditions. by Tasneem AlHamad, Salma Younes, Dayana El Chaar, Parveen B Nizamuddin, Eiman Al Mohannadi, Asmaa Alghanim, Nadin Younes, Nader Al-Dewik, Wanida Laiwattanapaisal, Palanee Ammaranond, Phillip Hawken, Laith J Abu-Raddad, Gheyath K Nasrallah

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Comprehensive performance evaluation of four chemiluminescence immunoassays for detecting vitamin D deficiency across diverse clinical conditions by Tasneem AlHamad, Salma Younes, Dayana El Chaar, Parveen B. Nizamuddin, Eiman Al Mohannadi, Asmaa Alghanim, Nadin Younes, Nader Al-dewik, Wanida Laiwattanapaisal, Palanee Ammaranond, Phillip Hawken, Laith J. Abu-Raddad, Gheyath K. Nasrallah

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Comparative Serological Study for the Prevalence of Anti-MERS Coronavirus Antibodies in High- and Low-Risk Groups in Qatar by Reham A. Al Kahlout, Gheyath K. Nasrallah, Elmoubasher A. Farag, Lingshu Wang, Erik Lattwein, Marcel A. Müller, Mohamed E. El Zowalaty, Hamad E. Al Romaihi, Barney S. Graham, Asmaa A. Al Thani, Hadi M. Yassine

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Seroprevalence and detection of Human herpesvirus-8 (HHV-8) among healthy blood donors residing in Qatar by Hadeel T. Zedan, Alaa Elkhider, Asalet Hicazi, Fathima Amanullah, Duaa W. Al-Sadeq, Parveen B. Nizamuddin, Farah M. Shurrab, Maria K. Smatti, Asmaa A. Althani, Laith J. Abu Raddad, Gheyath K. Nasrallah, Hadi M. Yassine

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Impact of meteorological factors on transmission of respiratory viruses across all age groups in the hot arid climate in Qatar by May Husein, May Husein, Salma Younes, Muthanna Samara, M. Rami Alfarra, Abdullatif Al Khal, Muna Al Maslamani, Gheyath K. Nasrallah, Einas Al Kuwari, Ali Al-kinani, Peter V. Coyle, Peter V. Coyle, Nader Al-Dewik, Nader Al-Dewik, Nader Al-Dewik

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Accre 8 emerging point of care CLIA system for vitamin B12 assessment compared with three established assays by Farah M. Trad, Tasneem AlHamad, Nadin Younes, Shaden Abunasser, Salma Younes, Parveen B. Nizamuddin, Dayana El Chaar, Israa M. Salameh, Nader I. Al-dewik, Wanida Laiwattanapaisal, Pattramon Aungbamnet, Pollanat Loungjinda, Palanee Ammaranond, Meng Li, Laith J. Abu-Raddad, Gheyath K. Nasrallah

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Assessing healthy vaccinee effect in COVID-19 vaccine effectiveness studies: a national cohort study in Qatar by Hiam Chemaitelly, Houssein H Ayoub, Peter Coyle, Patrick Tang, Mohammad R Hasan, Hadi M Yassine, Asmaa A Al Thani, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F Abdul-Rahim, Gheyath K Nasrallah, Mohamed Ghaith Al-Kuwari, Hamad Eid Al-Romaihi, Mohamed H Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Adeel A Butt, Laith J Abu-Raddad

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Effectiveness of ChAdOx1 nCoV-19 (Vaxzevria) primary series vaccine against SARS-CoV-2 beta and delta variants: a nationwide study by Hiam Chemaitelly, Houssein H. Ayoub, Peter Coyle, Patrick Tang, Mohammad R. Hasan, Hadi M. Yassine, Asmaa A. Al Thani, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Adeel A. Butt, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Laith J. Abu-Raddad

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Immune histories and natural infection protection during the omicron era by Hiam Chemaitelly, Houssein H. Ayoub, Niklas Bobrovitz, Peter Coyle, Patrick Tang, Mohammad R. Hasan, Hadi M. Yassine, Asmaa A. Al Thani, Zaina Al-Kanaani, Einas Al-Kuwari, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Ali Nizar Latif, Riyazuddin Mohammad Shaik, Hanan F. Abdul-Rahim, Gheyath K. Nasrallah, Mohamed Ghaith Al-Kuwari, Hamad Eid Al-Romaihi, Mohamed H. Al-Thani, Abdullatif Al-Khal, Roberto Bertollini, Adeel A. Butt, Laith J. Abu-Raddad

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A customizable multiplex protein microarray for antibody testing and its application for tick-borne and other infectious diseases by Hari Krishnan Krishnamurthy, Vasanth Jayaraman, Karthik Krishna, Tianhao Wang, Kang Bei, Chithra Changalath, Shiny Matilda, Alex J. Rai, Renata Welc-Falęciak, Agnieszka Pawełczyk, Lucas S. Blanton, Aleš Chrdle, Andrea Fořtová, Daniel Růžek, Gheyath K. Nasrallah, Laith J. Abu-Raddadi, Duaa W. Al-Sadeq, Marah Abed Alhakim Abdallah, Daniele Lilleri, Chiara Fornara, Piera D’Angelo, Milena Furione, Maria Söderlund-Venermo, Klaus Hedman, Dimosthenis Chochlakis, Eirini Makridaki, Artemis Ntoula, Anna Psaroulaki, Angélica Escárcega-Ávila, John J. Rajasekaran

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Prevalence of syphilis infection among migrant workers in Qatar: a nationwide cross-sectional survey by Hiam Chemaitelly, Houssein H Ayoub, Hanan F Abdul Rahim, Abdullatif Al Khal, Einas Al Kuwari, Roberto Bertollini, Peter Coyle, Andrew Jeremijenko, Anvar Hassan Kaleeckal, Gheyath K Nasrallah, Hadi M Yassine, Hamad Eid Al Romaihi, Mohammed H Al-Thani, Mohamed Ghaith Al-Kuwari, Asmaa A Al Thani, Ahmed Ismail Ahmed Ismail, Duaa W Al-Sadeq, Fathima H Amanullah, Jawaher A Al-Emadi, Hadiya M Khalid, Parveen B Nizamuddin, Ibrahim Al-Shaar, Ibrahim W Karimeh, Mutaz M Ali, Sami Abdeen, Ashraf Abdelkarim, Faisal Daraan, Ahmed Ibrahim Hashim Elhaj Ismail, Nahid Mostafa, Mohamed Sahl, Jinan Suliman, Elias Tayar, Hasan Ali Kasem, Meynard J A Agsalog, Bassam K Akkarathodiyil, Ayat A Alkhalaf, Mohamed Morhaf M H Alakshar, Abdulsalam Ali A H Al-Qahtani, Monther H A Al-Shedifat, Anas Ansari, Ahmad Ali Ataalla, Sandeep Chougule, Abhilash K K V Gopinathan, Feroz J Poolakundan, Sanjay U Ranbhise, Saed M A Saefan, Mohamed M Thaivalappil, Abubacker S Thoyalil, Inayath M Umar, Odette Chaghoury, Elmoubasher Farag

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