Risk Factors for Middle East Respiratory Syndrome Coronavirus Infection among Camel Populations, Southern Jordan, 2014–2018

Published on August 23, 2021

Multivariate analysis to control for confounding demonstrated that borrowing of camels, particularly males, for breeding purposes was associated with increased MERS-CoV seroprevalence among receiving herds, suggesting a potential route of viral transmission between herds.CDC Emerging Infectious Diseases

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COVID-19 vaccines may trigger superimmunity in people who had SARS long ago

August 20, 2021
Former SARS patients who have been vaccinated against COVID-19 appear able to fend off all variants of SARS-CoV-2 in circulation, as well as ones that may soon emerge, a new study suggests. Science

EARLY RELEASE: Effectiveness of COVID-19 Vaccines in Preventing SARS-CoV-2 Infection Among Frontline Workers Before and During B.1.617.2 (Delta) Variant Predominance - Eight U.S. Locations, December 2020-August 2021

August 24, 2021
For frontline workers, COVID-19 mRNA vaccines, Pfizer-BioNTech and Moderna, are effective against viral infection, but less effective during Delta variant spread.