US FDA to evaluate J&J, Moderna Covid booster jabs this week
More than 7 million Americans have received a booster dose in the US as of Saturday, according to the latest data available from the CDC.
More than 7 million Americans have received a booster dose in the US as of Saturday, according to the latest data available from the CDC.
A booster shot post six months after the first increased antibody levels nine to 12-fold four weeks after the booster, regardless of age.
The company said researchers observed significant increases in antibody responses in participants between ages 18 and 55 and in those 65 and older who received a lower booster dose. However, the company didn't specify exactly when or how many subjects received the second dose.
The drug substance produced at the facility was used in the manufacturing of this shipment of Janssen vaccines, reports Xinhua news agency.
