Following today’s positive advisory committee meeting outcome regarding the Janssen Biotech Inc. COVID-19 Vaccine, the U.S. Food and Drug Administration has informed the sponsor that it will rapidly work toward finalization and issuance of an emergency use authorization.
As U.S. states have developed guidelines for Covid-19 vaccination, some have moved to include “paid or unpaid caregivers (including parents or foster parents) of medically fragile children or adults who live at home” in Phase 1 vaccine allocation.
Two doses of the Pfizer and Moderna COVID-19 vaccines are necessary to confer adequate immunity. The new vaccines for coronavirus disease 2019 (COVID-19) are highly effective, but controversy exists about whether a second dose should be delayed in order to immunize more people. The second dose is necessary and should be given.
People who already were infected with COVID-19 could face reinfection if the new coronavirus variants become the dominant strains, Dr. Anthony Fauci said Monday.
Catching the coronavirus from surfaces is rare. The World Health Organization and national public-health agencies need to clarify their advice.
Certain antibodies and memory cells likely last more than 8 months after someone has contracted the coronavirus, especially if they have a strong immune response to COVID-19, according to a new study published Wednesday in Science.