تصفح Mathematics, Statistics & Physics حسب المؤلف "Chemaitelly, Hiam"
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Mathematical modeling of the SARSCoV-2 epidemic in Qatar and its impact on the national response to COVID-19
Ayoub, Houssein H.; Chemaitelly, Hiam; Seedat, Shaheen; Makhoul, Monia; Kanaani, Zaina Al; Khal, Abdullatif Al; Kuwari, Einas Al; Butt, Adeel A.; Coyle, Peter; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Rahim, Hanan Abdul; Yassine, Hadi M.; Kuwari, Mohamed G.Al; Romaihi, Hamad Eid Al; Al-Thani, Mohamed H.; Bertollini, Roberto; Raddad, Laith J.Abu... more authors ... less authors ( University of Edinburgh , 2021 , Article)Background Mathematical modeling constitutes an important tool for planning robust responses to epidemics. This study was conducted to guide the Qatari national response to the severe acute respiratory syndrome coronavirus ... -
Modeling the population-level impact of treatment on COVID-19 disease and SARS-CoV-2 transmission
Monia, Makhoul; Abu-Hijleh, Farah; Ayoub, Houssein H.; Seedat, Shaheen; Chemaitelly, Hiam; Abu-Raddad, Laith J.... more authors ... less authors ( Elsevier , 2022 , Article)Different COVID-19 treatment candidates are under development, and some are becoming available including two promising drugs from Merck and Pfizer. This study provides conceptual frameworks for the effects of three types ... -
mRNA-1273 COVID-19 vaccine effectiveness against the B.1.1.7 and B.1.351 variants and severe COVID-19 disease in Qatar
Chemaitelly, Hiam; Yassine, Hadi M.; Benslimane, Fatiha M.; Al Khatib, Hebah A.; Tang, Patrick; Hasan, Mohammad R.; Malek, Joel A.; Coyle, Peter; Ayoub, Houssein H.; 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; Al-Thani, Mohamed H.; Al Khal, Abdullatif; Butt, Adeel A.; Bertollini, Roberto; Abu-Raddad, Laith J.... more authors ... less authors (2021 , Article)The SARS-CoV-2 pandemic continues to be a global health concern. The mRNA-1273 (Moderna) vaccine was reported to have an efficacy of 94.1% at preventing symptomatic COVID-19 due to infection with ‘wild-type’ variants in a ... -
Population immunity of natural infection, primary-series vaccination, and booster vaccination in Qatar during the COVID-19 pandemic: an observational study
Suelen H., Qassim; 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; 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)BackgroundWaning of natural infection protection and vaccine protection highlight the need to evaluate changes in population immunity over time. Population immunity of previous SARS-CoV-2 infection or of COVID-19 vaccination ... -
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 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 ... -
Relative infectiousness of SARS-CoV-2 vaccine breakthrough infections, reinfections, and primary infections.
Abu-Raddad, Laith J; Chemaitelly, Hiam; Ayoub, Houssein H; Tang, Patrick; Coyle, Peter; Hasan, Mohammad R; Yassine, Hadi M; Benslimane, Fatiha M; Al-Khatib, Hebah A; 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-Khal, Abdullatif; Al-Thani, Mohametabd H; Bertollini, Roberto... more authors ... less authors ( Springer , 2022 , Article)SARS-CoV-2 breakthrough infections in vaccinated individuals and in those who had a prior infection have been observed globally, but the transmission potential of these infections is unknown. The RT-qPCR cycle threshold ... -
SARS-CoV-2 antibody-positivity protects against reinfection for at least seven months with 95% efficacy
Laith J., Abu-Raddad; Chemaitelly, Hiam; Coyle, Peter; Malek, Joel A.; Ahmed, Ayeda A.; Mohamoud, Yasmin A.; Younuskunju, Shameem; Ayoub, Houssein H.; Al Kanaani, Zaina; Al Kuwari, Einas; Butt, Adeel A.; Jeremijenko, Andrew; Kaleeckal, Anvar Hassan; Latif, Ali Nizar; Shaik, Riyazuddin Mohammad; Abdul Rahim, Hanan F.; Nasrallah, Gheyath K.; Yassine, Hadi M.; Al Kuwari, Mohamed Ghaith; Al Romaihi, Hamad Eid; Al-Thani, Mohamed H.; Al Khal, Abdullatif; Bertollini, Roberto... more authors ... less authors ( Elsevier , 2021 , Article)Background Reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been documented, raising public health concerns. SARS-CoV-2 reinfections were assessed in a cohort of antibody-positive persons ... -
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 ...