Covid shots should target the omicron subvariant XBB.1.5 this fall

XBB.1.5 strain of Covid CFOTO | Future Publishing | Getty Images The US Food and Drug Administration on Friday recommended that Covid vaccine manufacturers produce one strain shots for the case that the target of the omicron subvariant XBB.1.5, dominant strain virus nationwide. “Based on all the evidence, the FDA has recommended to manufacturers updating […]