Dengue is a year-round risk in many parts of the world, with outbreaks commonly occurring every 2–5 years. Travelers to risk areas should prevent mosquito bites. Country List : Burkina Faso, Colombia, Ecuador, including the Galápagos Islands, Guatemala, Mexico, Panama, Sudan, Cuba, French Polynesia, including the island groups of Society Islands (Tahiti, Moorea, and Bora-Bora), Marquesas Islands (Hiva Oa and Ua Huka), and Austral Islands (Tubuai and Rurutu), Iran, Philippines, Saint Lucia, Pakistan, Guadeloupe, Brazil, Fiji

Many international destinations are reporting increased numbers of cases of measles. Country List : Afghanistan, Benin, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Djibouti, Ethiopia, Indonesia, Liberia, Nigeria, Pakistan, Republic of the Congo , Senegal, Somalia, Republic of South Sudan, Togo, Yemen, Kyrgyzstan, Armenia, Mauritania, Equatorial Guinea, Ghana, Kazakhstan, Burkina Faso, Türkiye (Turkey), United Arab Emirates, Burundi, Romania, Malaysia, Russia, Azerbaijan, Uzbekistan, Philippines, Austria, Belarus, Georgia, Bosnia and Herzegovina, San Marino, Guinea, Kenya, Monaco, United Kingdom, including England, Scotland, Wales, and Northern Ireland, Belgium, Ireland, Montenegro, Moldova, Serbia, Niger, Thailand, Guinea-Bissau, Libya, Mozambique, Saudi Arabia, Namibia, Sudan

Uganda is experiencing an outbreak of Sudan virus disease (SVD). SVD is a type of Ebola disease caused by infection with the Sudan virus.

There is an outbreak of chikungunya in Réunion. Mosquitoes spread the virus that causes chikungunya.

There is an outbreak of clade I mpox in Central and Eastern Africa. Country List : Burundi, Central African Republic, Democratic Republic of the Congo, Republic of the Congo , Rwanda, Uganda, Kenya, Zambia

Some pharmaceutical companies have launched platforms that direct users to websites run by telehealth companies, where clinicians are available to prescribe drugs. Such arrangements have prompted concerns.

A 40-year-old man who was being treated in the ICU after inhalation of car exhaust in a suicide attempt was noted to have red urine.

A 27-year-old man presented with a 6-month history of an itchy rash. Confluent, hyperpigmented plaques across the torso and upper arms and axillary and inguinal lymphadenopathy were noted on examination.

Johns Hopkins Medicine scientists say they have shed new light on how bacteria protect themselves from certain phage invaders -- by seizing genetic material from weakened, dormant phages and using it to "vaccinate" themselves to elicit an immune response.

In a recent, cross-institutional study partially funded by the National Institutes of Health, researchers report that healthy human airways are at higher risk for dehydration and inflammation when exposed to dry air, an occurrence expected to increase due to global warming.

Johns Hopkins Children's Center pediatric infectious diseases specialists Aaron Milstone, M.D., M.H.S., and Erica Prochaska, M.D., M.H.S., M.H.S., are available to discuss the following topics related to measles.