Ailments in Covid-19 Trials Raise Questions About Vaccine Method

Ailments in Covid-19 Trials Raise Questions About Vaccine Method

“While it could be a coincidence,” said Sam Fazeli, a Bloomberg Intelligence analyst, in a research note, “there’s still the possibility that adenoviral vector vaccines run a higher risk of rare side effects — such as autoimmune attacks like transverse myelitis — than those of Pfizer-BioNTech, Moderna or Novavax.”