Journal of travel medicine
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The International Health Regulations (IHR) have been the governing framework for global health security since 2007. Declaring public health emergencies of international concern (PHEIC) is a cornerstone of the IHR. Here we review how PHEIC are formally declared, the diseases for which such declarations have been made from 2007 to 2020 and justifications for such declarations. ⋯ The binary nature of a PHEIC declaration is often not helpful for events where a tiered or graded approach is needed. The strength of PHEIC declarations is the ability to rapidly mobilize international coordination, streamline funding and accelerate the advancement of the development of vaccines, therapeutics and diagnostics under emergency use authorization. The ultimate purpose of such declaration is to catalyse timely evidence-based action, to limit the public health and societal impacts of emerging and re-emerging disease risks while preventing unwarranted travel and trade restrictions.
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With air travel restarting, there has been much discourse about the safety of flying during the pandemic. In travel medicine, risk assessment includes estimating baseline risk to the traveller, recognizing factors that may modify that risk, considering the role of interventions to decrease that risk and accounting for a traveller's perception and tolerance of risk. The goals of this review are to identify the in-flight transmission risks of commercial air travel, provide recommendations about the risks of flying during the pandemic and propose strategies to mitigate the spread of COVID-19. ⋯ In-flight transmission of SARS-CoV-2 is a real risk, which may be minimized by combining mitigation strategies and infection prevention measures including mandatory masking onboard, minimizing unmasked time while eating, turning on gasper airflow in-flight, frequent hand sanitizing, disinfecting high touch surfaces, promoting distancing while boarding and deplaning, limiting onboard passenger movement, implementing effective pre-flight screening measures and enhancing contact tracing capability. Assessing risk is a cornerstone of travel medicine. It is important to evaluate the multiple factors contributing to the cumulative risk of an individual traveller during the COVID-19 pandemic and to employ a multi-pronged approach to reduce that risk.