WASHINGTON( BLOOMBERG)-US regulators have cleared giving a third Covid-19 vaccine dose to people with weakened immune systems in an effort to improve protection for those with impaired responses to standard shots. The authorisation applies to both Moderna and Pfizer vaccines, with organ transplant recipients or those whose immune systems are similarly compromised covered, the US Food and Drug Administration's( FDA) said in a statement late on Thursday( Aug 12). Other fully vaccinated individuals
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2021-08-13 00:00:00.0