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Covid-19 Vaccines: Adenoviruses and Coronavirus Latest news and research updates



The two Covid-19 vaccines, blocked by potential side effects, have one thing in common: both are based on adenoviruses, cold germs that researchers have used for decades in experimental therapy with different results.

Johnson & Johnson said late Monday that they would suspend a trial to investigate a disease he did not specify in one of the study participants. Meanwhile, The vaccine, which she is developing with Oxford University, was tested by AstraZeneca Plc in the United States. stopped by regulators more than a month after the onset of neurological symptoms in two volunteers.

With AstraZeneca in the pit stop, the vaccine from Modern Inc. and Pfizer Inc.-The BioNTech SE partnership took the lead in the race, coming out first. Meanwhile, two suspended trials raise questions about adenoviral vectors, which have been used for years in laboratory, animal, and human experiments. In some cases, the experiments were successful, but not always.


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