Dengue is a risk in many parts of Central and South America, Mexico, and the Caribbean. Some countries are reporting increased numbers of cases of the disease. Travelers to the Americas can protect themselves by preventing mosquito bites. Country List : Colombia, Guatemala, Nicaragua, Panama, Guadeloupe, Martinique (France), Costa Rica, French Guiana (France), Mexico, Brazil, Paraguay, Argentina, Peru, Ecuador, including the Galápagos Islands, Uruguay, Curaçao, Guyana, Honduras

Dengue is a risk in many parts of Africa and the Middle East. Some countries are reporting increased numbers of cases of the disease. Travelers to Africa and the Middle East can protect themselves by preventing mosquito bites. Country List : Sudan, Burkina Faso, Mali, Ethiopia, Mauritius

Dengue is a risk in many parts of Asia and the Pacific Islands. Some countries are reporting increased numbers of cases of the disease. Travelers to Asia and the Pacific Islands can protect themselves by preventing mosquito bites. Country List : Sri Lanka, Cambodia, Indonesia, Laos, Singapore, Fiji, Samoa

Many international destinations are reporting increased numbers of cases of measles. Country List : Afghanistan, Angola, Benin, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Djibouti, Ethiopia, Gabon, India, Indonesia, Liberia, Niger, Nigeria, Pakistan, Republic of the Congo , Senegal, Somalia, Republic of South Sudan, Sudan, Tajikistan, Togo, Yemen, Zambia, Nepal, Kyrgyzstan, Armenia, Mauritania, Lebanon, Equatorial Guinea, Syria, Ghana, Kazakhstan, Burkina Faso, Turkey, Qatar, United Arab Emirates, Libya, Burundi, Romania, Malaysia, Russia, Azerbaijan, Sri Lanka, Uzbekistan, Philippines, Timor-Leste (East Timor)

Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Country List : Afghanistan, Algeria, Benin, Cameroon, Central African Republic, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Madagascar, Malawi, Mozambique, Niger, Nigeria, Pakistan, Somalia, Yemen, Indonesia, Sudan, Mali, Botswana, Zambia, Republic of the Congo , Burundi, Burkina Faso, Kenya, Tanzania, including Zanzibar, Guinea, Mauritania, Egypt, Zimbabwe, Angola, Liberia, Senegal, Sierra Leone

A modular leadless pacemaker in wireless communication with a subcutaneous ICD was shown to be safe and exceeded performance goals for communication between the pacemaker and ICD.

The results of this phase 3 trial of the effect of olezarsen, a drug that targets APOC3 mRNA, on plasma triglyceride levels and acute pancreatitis in familial chylomicronemia syndrome support further clinical research.

In a randomized trial of perioperative nivolumab as compared with chemotherapy, 18-month event-free survival was 70% in the nivolumab group and 50% in the chemotherapy group at 2-year median follow-up.