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COVID-19 vaccine clinical research uses clinical research to establish the characteristics of COVID-19 vaccines. These characteristics include efficacy , effectiveness , and safety. As of November 2022 [update] , 40 vaccines are authorized by at least one national regulatory authority for public use: [ 1 ] [ 2 ]
On 8 April 2021, the Australian Technical Advisory Group on Immunisation (ATAGI) advised the Australian Government that the Pfizer COVID‑19 vaccine is recommended over AZD1222 for adults aged under 50 years. The advice is "based on the increasing risk of severe outcomes from COVID‑19 in older adults (and hence a higher benefit from ...
Nirmatrelvir/ritonavir significantly reduced the proportion of people with COVID‑19-related hospitalization or death from any cause by 88% compared to placebo among participants treated within five days of symptom onset and who did not receive COVID‑19 therapeutic monoclonal antibody treatment. [12] In December 2021, Pfizer also announced ...
A 15-day course of Pfizer's COVID-19 antiviral treatment Paxlovid did not relieve symptoms of long COVID, according a study by Stanford University researchers. Currently, there are no proven ...
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The New York-based drugmaker last year struck a deal to acquire Seagen and its targeted cancer therapies to reinforce its pipeline in the face of a steep fall in COVID-19 product sales and generic ...
The Pfizer–BioNTech COVID-19 vaccine, sold under the brand name Comirnaty, [2] [33] is an mRNA-based COVID-19 vaccine developed by the German biotechnology company BioNTech. For its development, BioNTech collaborated with the American company Pfizer to carry out clinical trials , logistics, and manufacturing.
There is no evidence that mRNA Covid vaccines cause fatal cardiac arrest or other deadly heart problems in teens and young adults, a CDC report finds. Covid vaccines not linked to sudden death in ...