"Emerging Threat: Human Infections from Avian Flu Strains in Asia"
Vietnam reports its first human infection from H9 avian flu virus, a 37-year-old man from Tien Giang province; new research highlights the health and financial impact of inadequate water, sanitation, and hygiene in healthcare facilities in sub-Saharan African countries; a study shows that family practice physicians who see the largest share of patients unvaccinated against COVID-19 are more likely to practice in marginalized, lower-income neighborhoods; a systematic review and meta-analysis found that antibiotics before invasive dental procedures reduced the risk of infective endocarditis in high-risk patients; the US reports 16 more measles cases, bringing the national total to 113, and the WHO extends the polio public health emergency of international concern due to ongoing risks in critical areas.