Browsing by Author "Al-Romaihi, Hamad Eid"
Now showing items 1-19 of 19
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All-cause and COVID-19 mortality in Qatar during the COVID-19 pandemic
Alnuaimi, Asma A.; Chemaitelly, Hiam; Semaan, Sandy; Almukdad, Sawsan; Al-Kanaani, Zaina; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Al-Romaihi, Hamad Eid; Butt, Adeel A.; Al-Thani, Mohamed H.; Bertollini, Roberto; Abdulmalik, Mariam; Al-Khal, Abdullatif; Abu-Raddad, Laith J.... more authors ... less authors ( BMJ Publishing Group , 2023 , Article)Objective To investigate all-cause mortality, COVID-19 mortality and all-cause non-COVID-19 mortality in Qatar during the COVID-19 pandemic. Methods A national, retrospective cohort analysis and national, matched, retrospective ... -
Assessment of the Risk of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Reinfection in an Intense Reexposure Setting
Abu-Raddad, Laith J.; Chemaitelly, Hiam; Malek, Joel A.; Ahmed, Ayeda A.; Mohamoud, Yasmin A.; Younuskunju, Shameem; Ayoub, Houssein H.; Al Kanaani, Zaina; Al Khal, Abdullatif; Al Kuwari, Einas; Butt, Adeel A.; Coyle, Peter; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul Rahim, Hanan F.; Yassine, Hadi M.; Al Kuwari, Mohamed G.; Al Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Bertollini, Roberto... more authors ... less authors ( NLM (Medline) , 2021 , Article)BACKGROUND: Risk of reinfection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is unknown. We assessed the risk and incidence rate of documented SARS-CoV-2 reinfection in a cohort of laboratory-confirmed ... -
BNT162b2 antigen dose and SARS-CoV-2 omicron infection in adolescents
Chemaitelly, Hiam; Ayoub, Houssein H.; Coyle, Peter; Tang, Patrick; Yassine, Hadi M.; Al Thani, Asmaa A.; Al-Khatib, Hebah A.; Hasan, Mohammad R.; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F.; Nasrallah, Gheyath K.; Al-Kuwari, Mohamed Ghaith; Al-Romaihi, Hamad Eid; Butt, Adeel A.; Al-Thani, Mohamed H.; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J.... more authors ... less authors ( Elsevier , 2023 , Other)COVID-19 vaccine antigen dose might affect protection against SARS-CoV-2 infection,1, 2 but direct evidence to quantify this effect is absent. We conducted a matched, retrospective, cohort study using a regression ... -
Characterizing the Qatar advanced-phase SARS-CoV-2 epidemic
Abu-Raddad, Laith J.; Chemaitelly, Hiam; Ayoub, Houssein H.; Al Kanaani, Zaina; Al Khal, Abdullatif; Al Kuwari, Einas; Butt, Adeel A.; Coyle, Peter; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Owen, Robert C.; Rahim, Hanan F.Abdul; Al Abdulla, Samya A.; Al Kuwari, Mohamed G.; Kandy, Mujeeb C.; Saeb, Hatoun; Ahmed, Shazia Nadeem N.; Al Romaihi, Hamad Eid; Bansal, Devendra; Dalton, Louise; Al-Thani, Mohamed H.; Bertollini, Roberto... more authors ... less authors ( springer nature , 2021 , Article)The overarching objective of this study was to provide the descriptive epidemiology of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) epidemic in Qatar by addressing specific research questions through a ... -
Comparative Serological Study for the Prevalence of Anti-MERS Coronavirus Antibodies in High- and Low-Risk Groups in Qatar
Al Kahlout, Reham; Nasrallah, Gheyath; Farag, Elmoubasher; Wang, Lingshu; Lattwein, Erik; Müller, Marcel; El Zowalaty, Mohamed; Al Romaihi, Hamad; Graham, Barney; Al Thani, Asmaa; Yassine, Hadi... more authors ... less authors ( Hindawi Publishing Corporation , 2019 , Article)Infection with Middle East respiratory syndrome coronavirus (MERS-CoV) could be asymptomatic or cause mild influenza-like illness. Therefore, the prevalence of MERS-CoV infections in the general population could be ... -
Duration of COVID-19 mRNA Vaccine Effectiveness against Severe Disease
Bansal, Devendra; Abdulmajeed, Jazeel; Al-Shamali, Maha H.M.A.; Albayat, Soha S.A.; Himatt, Sayed M.; Cyprian, Farhan S.; Chivese, Tawanda; Mundodan, Jesha M.A.; Khogali, Hayat S.; Baaboura, Rekayahouda; Kaleeckal, Anvar H.; Kandy, Mujeeb C.; Latif, Ali Nizar; Al-Kuwari, Mohamed Ghaith; Al-Romaihi, Hamad Eid; Al Khal, Abdullatif; Bertollini, Roberto; Al-Thani, Mohamed Hamad; Farag, Elmobashar; Doi, Suhail A.R.... more authors ... less authors ( MDPI , 2022 , Article)Waning immunity following administration of mRNA-based COVID-19 vaccines remains a concern for many health systems. We undertook a study to determine if recent reports of waning for severe disease could have been attributed ... -
Duration of immune protection of SARS-CoV-2 natural infection against reinfection.
Chemaitelly, Hiam; Nagelkerke, Nico; Ayoub, Houssein H; Coyle, Peter; Tang, Patrick; Yassine, Hadi M; Al-Khatib, Hebah A; Smatti, Maria K; Hasan, Mohammad R; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F; Nasrallah, Gheyath K; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J... more authors ... less authors ( Oxford University Press , 2022 , Article)The future of the SARS-CoV-2 pandemic hinges on virus evolution and duration of immune protection of natural infection against reinfection. We investigated duration of protection afforded by natural infection, the effect ... -
Duration of mRNA vaccine protection against SARS-CoV-2 Omicron BA.1 and BA.2 subvariants in Qatar.
Chemaitelly, Hiam; Ayoub, Houssein H; AlMukdad, Sawsan; Coyle, Peter; Tang, Patrick; Yassine, Hadi M; Al-Khatib, Hebah A; Smatti, Maria K; Hasan, Mohammad R; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F; Nasrallah, Gheyath K; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J... more authors ... less authors ( Nature Research , 2022 , Article)SARS-CoV-2 Omicron BA.1 and BA.2 subvariants are genetically divergent. We conducted a matched, test-negative, case-control study to estimate duration of protection of the second and third/booster doses of mRNA COVID-19 ... -
Dynamics of Anti-S IgG Antibodies Titers after the Second Dose of COVID-19 Vaccines in the Manual and Craft Worker Population of Qatar
Bansal, Devendra; Atia, Hassan; Al Badr, Mashael; Nour, Mohamed; Abdulmajeed, Jazeel; Hasan, Amal; Al-Hajri, Noora; Ahmed, Lina; Ibrahim, Rumissa; Zamel, Reham; Mohamed, Almuthana; Pattalaparambil, Hamad; Daraan, Faisal; Chaudhry, Adil; Oraby, Sahar; El-Saleh, Sahar; El-Shafie, Sittana S.; Al-Farsi, Affra Faiz; Paul, Jiji; Ismail, Ahmed; Al-Romaihi, Hamad Eid; Al-Thani, Mohammed Hamad; Doi, Suhail A.R.; Zughaier, Susu M.; Cyprian, Farhan; Farag, Elmobashar; Farooqui, Habib Hasan... more authors ... less authors ( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)There is limited seroepidemiological evidence on the magnitude and long-term durability of antibody titers of mRNA and non-mRNA vaccines in the Qatari population. This study was conducted to generate evidence on long-term ... -
Effect of mRNA Vaccine Boosters against SARS-CoV-2 Omicron Infection in Qatar.
Abu-Raddad, Laith J; Chemaitelly, Hiam; Ayoub, Houssein H; AlMukdad, Sawsan; Yassine, Hadi M; Al-Khatib, Hebah A; Smatti, Maria K; Tang, Patrick; Hasan, Mohammad R; Coyle, Peter; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar H; Latif, Ali N; Shaik, Riyazuddin M; Abdul-Rahim, Hanan F; Nasrallah, Gheyath K; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H; Al-Khal, Abdullatif; Bertollini, Roberto... more authors ... less authors ( Massachusetts Medical Society , 2022 , Article)Waning of vaccine protection against coronavirus disease 2019 (Covid-19) and the emergence of the omicron (or B.1.1.529) variant of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have led to expedited ... -
Effectiveness of influenza vaccination against SARS-CoV-2 infection among healthcare workers in Qatar
Elias, Tayar; Abdeen, Sami; Abed Alah, Muna; Chemaitelly, Hiam; Bougmiza, Iheb; Ayoub, Houssein H.; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Bertollini, Roberto; Abu-Raddad, Laith J.; Al-Khal, Abdullatif... more authors ... less authors ( Elsevier , 2023 , Article)BackgroundSome studies have reported that influenza vaccination is associated with lower risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and/or coronavirus disease 2019 (COVID-19) morbidity ... -
Effects of BA.1/BA.2 subvariant, vaccination, and prior infection on infectiousness of SARS-CoV-2 omicron infections.
Qassim, Suelen H; Chemaitelly, Hiam; Ayoub, Houssein H; AlMukdad, Sawsan; Tang, Patrick; Hasan, Mohammad R; Yassine, Hadi M; Al-Khatib, Hebah A; Smatti, Maria K; Abdul-Rahim, Hanan F; Nasrallah, Gheyath K; Al-Kuwari, Mohamed Ghaith; Al-Khal, Abdullatif; Coyle, Peter; Kaleeckal, Anvar Hassan; Shaik, Riyazuddin Mohammad; Latif, Ali Nizar; Al-Kuwari, Einas; Jeremijenko, Andrew; Butt, Adeel A; Bertollini, Roberto; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H; Abu-Raddad, Laith J... more authors ... less authors ( Oxford University Press , 2022 , Article)Compared to BA.1, BA.2 was associated with lower RT-qPCR cycle threshold (Ct) value-3.53 fewer cycles (95% CI: 3.46-3.60), signifying higher infectiousness. This may reflect higher viral load and/or longer duration of ... -
Effects of previous infection, vaccination, and hybrid immunity against symptomatic Alpha, Beta, and Delta SARS-CoV-2 infections: an observational study
Heba N., Altarawneh; Chemaitelly, Hiam; Ayoub, Houssein H.; Tang, Patrick; Hasan, Mohammad R.; Yassine, Hadi M.; Al-Khatib, Hebah A.; Al Thani, Asmaa A.; Coyle, Peter; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F.; Nasrallah, Gheyath K.; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A.; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J.... more authors ... less authors ( Elsevier , 2023 , Article)BackgroundProtection against SARS-CoV-2 symptomatic infection and severe COVID-19 of previous infection, mRNA two-dose vaccination, mRNA three-dose vaccination, and hybrid immunity of previous infection and vaccination ... -
First characterisation of antimicrobial susceptibility and resistance of Neisseria gonorrhoeae isolates in Qatar, 2017-2020
Al-Maslamani, Muna; Elmagboul, Emad Bashier Ibrahim; Puthiyottil, Aslam; Chemaitelly, Hiam; Varghese, Manoj Kizhakkepeedikayil; Al Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Al Khal, Abdullatif; Unemo, Magnus; Abu-Raddad, Laith J.... more authors ... less authors ( Public Library of Science , 2022 , Article)Limited data are available regarding antimicrobial resistance in Neisseria gonorrhoeae strains circulating in WHO Eastern Mediterranean Region (EMR). We investigated the antimicrobial susceptibility/resistance of N. ... -
History of primary-series and booster vaccination and protection against Omicron reinfection
Chemaitelly, Hiam; Ayoub, Houssein H.; Tang, Patrick; Coyle, Peter V.; Yassine, Hadi M.; Al Thani, Asmaa A.; Al-Khatib, Hebah A.; Hasan, Mohammad R.; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F.; Nasrallah, Gheyath K.; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A.; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J.... more authors ... less authors ( American Association for the Advancement of Science , 2023 , Article)Laboratory evidence suggests a possibility of immune imprinting for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. We investigated the differences in the incidence of SARS-CoV-2 reinfection in a ... -
Prevalence of hepatitis B and C viruses among migrant workers in Qatar.
Nasrallah, Gheyath K; Chemaitelly, Hiam; Ismail, Ahmed I A; Nizamuddin, Parveen B; Al-Sadeq, Duaa W; Shurrab, Farah M; Amanullah, Fathima H; Al-Hamad, Tasneem H; Mohammad, Khadija N; Alabdulmalek, Maryam A; Al Kahlout, Reham A; Al-Shaar, Ibrahim; Elshaikh, Manal A; Abouassali, Mazen N; Karimeh, Ibrahim W; Ali, Mutaz M; Ayoub, Houssein H; Abdeen, Sami; Abdelkarim, Ashraf; Daraan, Faisal; Ismail, Ahmed Ibrahim Hashim Elhaj; Mostafa, Nahid; Sahl, Mohamed; Suliman, Jinan; Tayar, Elias; Kasem, Hasan Ali; Agsalog, Meynard J A; Akkarathodiyil, Bassam K; Alkhalaf, Ayat A; Alakshar, Mohamed Morhaf M H; Al-Qahtani, Abdulsalam Ali A H; Al-Shedifat, Monther H A; Ansari, Anas; Ataalla, Ahmad Ali; Chougule, Sandeep; Gopinathan, Abhilash K K V; Poolakundan, Feroz J; Ranbhise, Sanjay U; Saefan, Saed M A; Thaivalappil, Mohamed M; Thoyalil, Abubacker S; Umar, Inayath M; Al Kuwari, Einas; Coyle, Peter; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Abdul Rahim, Hanan F; Yassine, Hadi M; Al Thani, Asmaa A; Chaghoury, Odette; Al Kuwari, Mohamed Ghaith; Farag, Elmoubasher; Bertollini, Roberto; Al Romaihi, Hamad Eid; Al Khal, Abdullatif; Al-Thani, Mohamed H; Abu-Raddad, Laith J... more authors ... less authors ( Springer Nature , 2024 , Article)Limited data exist on viral hepatitis among migrant populations. This study investigated the prevalence of current hepatitis B virus (HBV) infection and lifetime hepatitis C virus (HCV) infection among Qatar's migrant craft ... -
Protection from previous natural infection compared with mRNA vaccination against SARS-CoV-2 infection and severe COVID-19 in Qatar: a retrospective cohort study
Hiam, Chemaitelly; Ayoub, Houssein H; AlMukdad, Sawsan; Coyle, Peter; Tang, Patrick; Yassine, Hadi M; Al-Khatib, Hebah A; Smatti, Maria K; Hasan, Mohammad R; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F; Nasrallah, Gheyath K; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J... more authors ... less authors ( Elsevier , 2022 , Article)BackgroundUnderstanding protection conferred by natural SARS-CoV-2 infection versus COVID-19 vaccination is important for informing vaccine mandate decisions. We compared protection conferred by natural infection versus ... -
Protection of Omicron sub-lineage infection against reinfection with another Omicron sub-lineage
Chemaitelly, Hiam; Ayoub, Houssein H.; Coyle, Peter; Tang, Patrick; Yassine, Hadi M.; Al-Khatib, Hebah A.; Smatti, Maria K.; Hasan, Mohammad R.; Al-Kanaani, Zaina; Al-Kuwari, Einas; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul-Rahim, Hanan F.; Nasrallah, Gheyath K.; Al-Kuwari, Mohamed Ghaith; Butt, Adeel A.; Al-Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Al-Khal, Abdullatif; Bertollini, Roberto; Abu-Raddad, Laith J.... more authors ... less authors ( Nature Research , 2022 , Article)There is significant genetic distance between SARS-CoV-2 Omicron (B.1.1.529) variant BA.1 and BA.2 sub-lineages. This study investigates immune protection of infection with one sub-lineage against reinfection with the other ... -
SARS-CoV-2 infection hospitalization, severity, criticality, and fatality rates in Qatar
Seedat, Shaheen; Chemaitelly, Hiam; Ayoub, Houssein H.; Makhoul, Monia; Mumtaz, Ghina R.; Al Kanaani, Zaina; Al Khal, Abdullatif; Al Kuwari, Einas; Butt, Adeel A.; Coyle, Peter; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Yassine, Hadi M.; Al Kuwari, Mohamed G.; Al Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Bertollini, Roberto; Abu-Raddad, Laith J.... more authors ... less authors ( Nature Research , 2021 , Article)The SARS-CoV-2 pandemic resulted in considerable morbidity and mortality as well as severe economic and societal disruptions. Despite scientific progress, true infection severity, factoring both diagnosed and undiagnosed ...