Alerts in Global

Poliovirus - Global

Some international destinations have circulating poliovirus (shown in map). Before any international travel, make sure you are up to date on your polio vaccines. Before travel to any destination shown in the map, adults who previously completed the full, routine polio vaccine series may receive a single, lifetime booster dose of polio vaccine.

Dengue - Central and South America

Dengue continues to be the arbovirus with the highest number of cases reported in the Region of the Americas, with outbreaks that occur cyclically every 3 to 5 years. 2023 is the year with the highest historical record of dengue cases, exceeding 4.1 million new infections. This figure exceeded those of 2019, the year in which they registered more than 3.1 million cases, including 28,203 serious cases and 1,823 deaths. Circulation of DENV-3 was identified, which had not circulated for several years in some areas.

Chikungunya - first vaccine approved

Today, the U.S. Food and Drug Administration approved Ixchiq, the first chikungunya vaccine. Ixchiq is approved for individuals 18 years of age and older who are at increased risk of exposure to chikungunya virus. Ixchiq is administered as a single dose by injection into the muscle. It contains a live, weakened version of the chikungunya virus and may cause symptoms in the vaccine recipient similar to those experienced by people who have chikungunya disease. The safety of Ixchiq was evaluated in two clinical studies conducted in North America in which about 3,500 participants 18 years of age and older received a dose of the vaccine with one study including about 1,000 participants who received a placebo. The most commonly reported side effects by vaccine recipients were headache, fatigue, muscle pain, joint pain, fever, nausea and tenderness at the injection site.

Chikungunya - World situation

Cases are registered in Panama, Brazil, Italy, Burkina Faso and India (Haryana)

Poliovirus - global situation

Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines.

Poliovirus - Global

Some international destinations have circulating poliovirus (shown in map). Before any international travel, make sure you are up to date on your polio vaccines. Before travel to any destination shown in the map, adults who previously completed the full, routine polio vaccine series may receive a single, lifetime booster dose of polio vaccine.

Measles - several countries

As the summer 2023 travel season begins, the CDC reminds clinicians and public health officials to provide guidance for measles prevention to international travelers and to be on alert for measles cases. Measles is highly contagious; one person infected by measles can contaminate about 90% of their unvaccinated close contacts. India, Pakistan, England, Jordan, Turkey, Mauritania, Ecuador and the US have reported cases in the past months.

Measles - several countries

Many international destinations are reporting increased numbers of cases of measles. Travelers are at risk of measles if they have not been fully vaccinated two weeks prior to departure or have not had measles in the past and travel internationally to areas where measles is spreading.

Measles - several countries

Many international destinations are reporting increased numbers of cases of measles. Travelers are at risk of measles if they have not been fully vaccinated two weeks prior to departure or have not had measles in the past and travel internationally to areas where measles is spreading.

Poliovirus - global situation

Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines.

Measles - several countries

AFGHANISTAN, SERBIA (SMEDEREVO), INDIA, DEMOCRATIC REPUBLIC OF CONGO

Poliovirus - global situation

Some international destinations have circulating poliovirus, such as DR Congo and USA (environmental samples). Before any international travel, make sure you are up to date on your polio vaccines.

Cholera - Global situation

In 2022 over 29 countries have reported cholera cases or outbreaks. As of 30 November 2022, 16 of these have been reporting protracted outbreaks. Many of those countries reported higher case numbers and case fatality ratio than in previous years.

Poliovirus - global situation

Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines.

Estados Unidos