Results 1 to 10 of about 993,244 (299)

BNT162b2 mRNA Covid-19 Vaccine in a Nationwide Mass Vaccination Setting

New England Journal of Medicine, 2021
Background As mass vaccination campaigns against coronavirus disease 2019 (Covid-19) commence worldwide, vaccine effectiveness needs to be assessed for a range of outcomes across diverse populations in a noncontrolled setting.
N. Dagan, N. Barda, Eldad Kepten, O. Miron, Shay Perchik, M. Katz, M. Hernán, M. Lipsitch, B. Reis, R. Balicer   +9 more
semanticscholar   +1 more source

Thrombotic Thrombocytopenia after ChAdOx1 nCov-19 Vaccination

New England Journal of Medicine, 2021
Background Several cases of unusual thrombotic events and thrombocytopenia have developed after vaccination with the recombinant adenoviral vector encoding the spike protein antigen of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (ChAdOx1
A. Greinacher, T. Thiele, T. Warkentin, K. Weisser, P. Kyrle, S. Eichinger   +5 more
semanticscholar   +1 more source

Thrombosis and Thrombocytopenia after ChAdOx1 nCoV-19 Vaccination

New England Journal of Medicine, 2021
Summary We report findings in five patients who presented with venous thrombosis and thrombocytopenia 7 to 10 days after receiving the first dose of the ChAdOx1 nCoV-19 adenoviral vector vaccine against coronavirus disease 2019 (Covid-19).
N. H. Schultz, I. H. Sørvoll, A. Michelsen, L. Munthe, F. Lund-Johansen, M. Ahlén, M. Wiedmann, A. Aamodt, T. Skattør, G. Tjønnfjord, P. Holme   +10 more
semanticscholar   +1 more source

Vaccination Coverage Among Adolescents Aged 13–17 Years — National Immunization Survey–Teen, United States, 2022

MMWR. Morbidity and mortality weekly report, 2023
Three vaccines are routinely recommended for adolescents to prevent pertussis, meningococcal disease, and cancers caused by human papillomavirus (HPV).
C. Pingali, D. Yankey, Laurie D. Elam-Evans, L. Markowitz, M. R. Valier, Benjamin Fredua, Samuel J. Crowe, Carla L. DeSisto, Shannon K. Stokley, J. Singleton   +9 more
semanticscholar   +1 more source

COVID-19 Vaccination Hesitancy in the United States: A Rapid National Assessment

Journal of community health, 2021
Given the results from early trials, COVID-19 vaccines will be available by 2021. However, little is known about what Americans think of getting immunized with a COVID-19 vaccine.
J. Khubchandani, S. Sharma, J. Price, Michael Wiblishauser, M. Sharma, F. Webb   +5 more
semanticscholar   +1 more source

The Nature and Extent of COVID-19 Vaccination Hesitancy in Healthcare Workers

Journal of community health, 2021
COVID-19 vaccines were approved in late 2020 and early 2021 for public use in countries across the world. Several studies have now highlighted COVID-19 vaccination hesitancy in the general public.
N. Biswas, Toheeb Mustapha, J. Khubchandani, J. Price   +3 more
semanticscholar   +1 more source

Vaccine hesitancy: Beliefs and barriers associated with COVID‐19 vaccination among Egyptian medical students

Journal of Medical Virology, 2021
Vaccine hesitancy poses serious challenges for achieving coverage for population immunity. It is necessary to achieve high COVID‐19 vaccination acceptance rates and medical students’ coverage as future health care providers.
Shimaa M. Saied, E. Saied, I. Kabbash, Sanaa A Abdo   +3 more
semanticscholar   +1 more source

Myocarditis Cases Reported After mRNA-Based COVID-19 Vaccination in the US From December 2020 to August 2021.

Journal of the American Medical Association (JAMA), 2022
Importance Vaccination against COVID-19 provides clear public health benefits, but vaccination also carries potential risks. The risks and outcomes of myocarditis after COVID-19 vaccination are unclear.
M. Oster, D. Shay, John R. Su, J. Gee, C. Creech, K. Broder, Kathryn M. Edwards, Jonathan H. Soslow, J. M. Dendy, Elizabeth P. Schlaudecker, S. Lang, E. Barnett, F. Ruberg, Michael John Smith, M. J. Campbell, R. Lopes, L. Sperling, Jane Baumblatt, Deborah Thompson, P. Marquez, Penelope Strid, Jared Woo, River A. Pugsley, Sarah Reagan‐Steiner, F. Destefano, T. Shimabukuro   +25 more
semanticscholar   +1 more source

Effects of Previous Infection and Vaccination on Symptomatic Omicron Infections

New England Journal of Medicine, 2022
Background The protection conferred by natural immunity, vaccination, and both against symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection with the BA.1 or BA.2 sublineages of the omicron (B.1.1.529) variant is unclear ...
H. Altarawneh, H. Chemaitelly, H. Ayoub, P. Tang, M Zahid Hasan, H. Yassine, H. Al-Khatib, M. Smatti, P. Coyle, Z. Al-Kanaani, E. Al-Kuwari, A. Jeremijenko, A. Kaleeckal, A. Latif, R. M. Shaik, H. Abdul-Rahim, Gheyath K Nasrallah, M. G. Al-Kuwari, A. Butt, H. Al-Romaihi, M. H. Al-Thani, A. Al-Khal, R. Bertollini, L. Abu-Raddad   +23 more
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Use of JYNNEOS (Smallpox and Monkeypox Vaccine, Live, Nonreplicating) for Preexposure Vaccination of Persons at Risk for Occupational Exposure to Orthopoxviruses: Recommendations of the Advisory Committee on Immunization Practices — United States, 2022

MMWR. Morbidity and mortality weekly report, 2022
Certain laboratorians and health care personnel can be exposed to orthopoxviruses through occupational activities. Because orthopoxvirus infections resulting from occupational exposures can be serious, the Advisory Committee on Immunization Practices ...
A. Rao, B. Petersen, Florence Whitehill, J. Razeq, S. Isaacs, M. J. Merchlinsky, D. Campos-Outcalt, Rebecca L Morgan, I. Damon, Pablo J. Sánchez, B. Bell   +10 more
semanticscholar   +1 more source