Situation Report

CDC warns a surge in global dengue cases is raising risk in US | CNN The US Centers for Disease Control and Prevention issued a warning to doctors Tuesday to be on the look out for cases of dengue. A surge in dengue cases globally is raising the risk that people could catch the disease in the US. Jen Christensen CNN

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The Covid summer wave is here Infections are most likely rising in at least 39 states, driven in part by a trio of new variants. NBC News

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Several variants are likely to be contributing to the nationwide trend, said Dr. Dan Barouch, director of the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center in Boston.

WHO, scientists call for urgent action on mpox strain The spread of mpox in Africa needs to be addressed urgently, the World Health Organization said on Tuesday, as scientists warned separately of a dangerous strain in the Democratic Republic of Congo. Jennifer Rigby Reuters

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Latest XBB COVID-19 vaccine offers protection against hospitalization, deaths Today, JAMA Internal Medicine published a study calculating the protection offered by the latest Pfizer COVID-19 XBB vaccine compared to older vaccines against COVID-associated hospitalization and emergency department (ED) or urgent care (UC) visits.  CIDRAP

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The authors compared outcomes among those who had received an updated XBB vaccine and those who had not received an XBB vaccine of any kind, regardless of prior COVID-19 vaccination or infection history.