The US Food and Drug Administration (FDA) announced Monday that it has granted full approval to Moderna’s Covid-19 “Spikevax” vaccine, which had previously received an emergency use authorization in the United States. “The public can be assured that Spikevax meets the FDA’s high standards for safety, effectiveness and manufacturing quality required of any vaccine approved for use in the United States,” acting FDA commissioner Janet Woodcock said in a statement. “The FDA’s approval of Spikevax is a significant step in the fight against the Covid-19 pandemic, marking the second vaccine approved …