Results 61 to 70 of about 159,740 (164)

COVID-19 vaccine effectiveness in adults aged 60 years and older: A case-control study in south India

One Health Bulletin
Objective: To evaluate the effectiveness of COVID-19 vaccines in preventing symptomatic and severe diseases among the adults aged 60 years and older, identify key risk factors that influence infection and severity, and explore strategies to enhance the ...
Shilpa Babu Thomas, Zinia T Nujum, Devraj Ramakrishnan, Lipsy Paul, Somasekharan Nair Divya   +4 more
doaj   +1 more source

Effectiveness of Pneumococcal Polysaccharide Vaccine for Preschool-Age Children with Chronic Disease

Emerging Infectious Diseases, 1999
To estimate the effectiveness of pneumococcal polysaccharide vaccine, we serotyped isolates submitted to the Pneumococcal Sentinel Surveillance System from 1984 to 1996 from 48 vaccinated and 125 unvaccinated children 2 to 5 years of age.
Anthony E. Fiore, Orin S. Levine, John A. Elliott, Richard R. Facklam, Jay C. Butler   +4 more
doaj   +1 more source

Global estimates of rotavirus vaccine efficacy and effectiveness: a rapid review and meta-regression analysisResearch in context

EClinicalMedicine
Summary: Background: Rotavirus is the leading cause of diarrhoea worldwide, particularly affecting young children. While national rotavirus immunization programs have reduced rotavirus morbidity and mortality, vaccine performance varies considerably ...
Ottavia Prunas, Ernest O. Asare, Elizabeth Sajewski, Yueqi Li, Zeaan Pithawala, Daniel M. Weinberger, Joshua L. Warren, George E. Armah, Nigel A. Cunliffe, Miren Iturriza-Gómara, Benjamin A. Lopman, Virginia E. Pitzer   +11 more
doaj   +1 more source

The Effectiveness of the Second COVID-19 mRNA Booster Vaccine in Healthcare Workers at Cipto Mangunkusumo General Hospital and Its Related Factors

Jurnal Penyakit Dalam Indonesia
Introduction. The emergence of the Omicron variant during the pandemic had an impact on the effectiveness of the COVID-19 vaccine. The spread of Omicron increased rapidly even in populations that had been vaccinated with booster doses, causing a high ...
Siti Taqwa Fitria Lubis, Sukamto Koesnoe, Evy Yunihastuti, Hamzah Shatri, Teguh H. Karjadi, Kuntjoro Harimurti, Ceva Wicaksono Pitoyo, Em Yunir   +7 more
doaj   +1 more source

Vaccine Epidemiology: Epidemiologic Measures of the Effects of a Vaccine and Vaccination

Turkish Bulletin of Hygiene and Experimental Biology, 2016
Vaccination is one of the most successful and cost-effective interventions in prevention of diseases. The effect of a vaccine is shown by the percent reduction in the incidence of the relevant disease among vaccinated people compared with those unvaccinated.
openaire   +1 more source

Incremental effectiveness of the second dose of mumps-containing vaccine among children 9 months to 6 years in Hefei: A matched case-control study

Human Vaccines & Immunotherapeutics
To evaluate the incremental vaccine effectiveness (IVE) of the second dose of mumps-containing vaccine (2thMuCV) compared to first dose and to provide evidence for optimizing mumps immunization strategies. We conducted a 1:1 matched case-control study of
Tingting Shi, Die Hu, Shuangshuang Deng, Guangbo Qu, Baozhen Peng, Yun Zhang, Yuhui Jin   +6 more
doaj   +1 more source

Waning effectiveness of mRNA COVID-19 vaccines against inpatient and emergency department encounters.

PLoS ONE
In the United States, most real-world estimates of COVID-19 vaccine effectiveness are based on data drawn from large health systems or sentinel populations.
Theodoros V Giannouchos, Nicole L Hair, Bankole Olatosi, Xiaoming Li   +3 more
doaj   +1 more source

Influenza virus circulation and vaccine effectiveness during June 2021–May 2023 in Thailand

Vaccine: X
Thai Ministry of Public Health recommends influenza vaccination for certain risk groups. We evaluated 2023 Southern Hemisphere influenza vaccine effectiveness against medically attended influenza using surveillance data from nine Thai hospitals and a ...
Kriengkrai Prasert, Prabda Praphasiri, Sutthichai Nakphook, Darunee Ditsungnoen, Patranuch Sapchookul, Kanlaya Sornwong, Suriya Naosri, Pilailuk Akkapaiboon Okada, Piyarat Suntarattiwong, Tawee Chotpitayasunondh, Martha P. Montgomery, William W. Davis, Chakrarat Pittayawonganon   +12 more
doaj   +1 more source

Explaining the Mechanism Behind mRNA Vaccines Influences Perceived Vaccine Effectiveness but not Vaccination Intentions

European Journal of Health Communication (EJHC)
Vaccine effectiveness and safety concerns can prevent people from receiving their first Covid-19 vaccines or boosters. Understanding the vaccine mechanism may lead people to perceive vaccine effectiveness appropriately. This study tested whether helping
Lisa Felgendreff, Felix G. Rebitschek , Mattis Geiger, Parichehr Shamsrizi, Mirjam A. Jenny, Cornelia Betsch   +5 more
doaj   +1 more source

Comparative effectiveness of live attenuated influenza vaccine (LAIV) and inactivated influenza vaccine (IIV) in children over multiple influenza seasons (2019–2023)

Vaccine: X
Vaccine effectiveness (VE) of quadrivalent live attenuated influenza vaccine (LAIV4) and quadrivalent inactivated influenza vaccine (IIV4) in children in 13 European countries and the US during the 2019–2023 influenza seasons was evaluated from published
Allyn Bandell, George Kassianos, Oliver Dibben, Georges El Azzi   +3 more
doaj   +1 more source