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In other cases, notably the vaccines made by Pfizer, Sputnik-V and Moderna, HEK-293 was used during the testing phase. [21] [22] PER.C6, a retinal cell line that was isolated from an aborted fetus in 1985 was used by Janssen in development of COVID-19 Vaccine. [23] [24]
David Matthews, a co-author for this study, clarified that MRC-5 was solely used for testing purposes to determine "how the Oxford vaccine behaves when it is inside a genetically normal human cell." [ 6 ] The manufacturing of the vaccine used the HEK 293 fetal cell line, the kidney cells of an aborted or spontaneously miscarried female fetus ...
While it is true that cell lines derived from a fetus aborted in 1970 plays a role in the vaccine development process, the molecules for the vaccine are separated from the resulting cell debris. [72] [73] Several other COVID-19 vaccine candidates use fetal cell lines descended from fetuses aborted between 1972 and 1985. No fetal tissue is ...
Its genetic sequence was published on 11 January 2020, triggering an urgent international response to prepare for an outbreak and hasten the development of a preventive COVID-19 vaccine. [2] [3] [4] Since 2020, vaccine development has been expedited via unprecedented collaboration in the multinational pharmaceutical industry and between ...
Duara said protection from vaccines tends to wane after four to six months, so she suggested that "somewhere between 12 and 18 weeks is probably a good time to get it because you will still have ...
This study used the first large set of pregnancy cohort data from sub-Saharan Africa. [6] A marked increase in cases of situs inversus was observed several months after the lifting of the zero-COVID-19 policy in China, which coincided with a rise in infections. This rare clinical evidence suggests a possible link between infection during ...
The Moderna COVID‑19 vaccine, sold under the brand name Spikevax, is a COVID-19 vaccine developed by the American company Moderna, the United States National Institute of Allergy and Infectious Diseases (NIAID), and the Biomedical Advanced Research and Development Authority (BARDA).
In the UK, 15,121 health care workers from 104 hospitals who had tested negative for antibodies prior to the study, were followed by RT-PCR tests twice a week from 7 December 2020 to 5 February 2021, a study compared the positive results for the 90.7% vaccinated share of their cohort with the 9.3% unvaccinated share, and found that the Pfizer ...