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To inform national efforts in response to COVID-19, HIQA develops evidence summaries and syntheses to answer specific policy questions and topics posed by the National Public Health Emergency Team (NPHET).

Policy topic and advice provided to NPHET on 25 May 2021

Description

This evidence synthesis was used to inform advice provided to NPHET to address the following policy questions:

“How long does protective immunity (that is, prevention of antigen or RT-PCR confirmed reinfection) last in individuals who were previously infected with SARS-CoV-2 and subsequently recovered?”

and

“What is the duration of immune memory responses (T-cell and B-cell memory and or their components’ responses) following SARS-CoV-2 infection?”

Supporting documents:

Policy topic and advice provided to NPHET on 08 April 2021:

Description

The purpose of this evidence synthesiswas to provide advice to the National Public Health Emergency Team (NPHET) on the following research question:

"How long does protective immunity (that is, prevention of antigen or RT-PCR confirmed reinfection) last in individuals who were previously infected with SARS-CoV-2 and subsequently recovered?"

Policy topic and advice provided to NPHET on 24 February 2021:

Description