Nigeria Warns Travelers Over Addis Ababa High-Altitude Risks

Nigeria has issued a high-altitude health advisory for travelers transiting through Addis Ababa after officials linked 16 deaths of Nigerian passengers this year to complications associated with the Ethiopian capital’s elevation.

New Advisory Targets High-Altitude Transit Concerns

According to publicly available information from the Ministry of Foreign Affairs in Abuja, the advisory was released on Friday, 13 November 2026, and focuses on Nigerians whose itineraries include transit through Addis Ababa, a major East African aviation hub. The ministry’s statement indicates that the advisory follows a series of deaths involving Nigerian passengers who passed through the city in 2026.

Reports from multiple Nigerian news outlets indicate that the country’s diplomatic mission in Addis Ababa documented 16 deaths this year among Nigerians transiting through the city. These cases have been described as reportedly linked to health complications associated with high-altitude exposure, prompting closer scrutiny of routes that use Addis Ababa as a connecting point.

Published coverage explains that the advisory is framed as a risk notification rather than a blanket restriction. It urges travelers, especially those with known health issues, to reassess their travel plans and obtain informed medical guidance before using Addis Ababa as a transit stop on long-haul journeys.

Addis Ababa’s Elevation and Why It Matters

Publicly available data place Addis Ababa at around 2,355 metres, or about 7,726 feet, above sea level. At this elevation, atmospheric pressure is lower than at sea level, which in turn reduces the amount of oxygen available in each breath. Health-focused bulletins from international and regional agencies have long highlighted that high-altitude cities can pose additional stress on the cardiovascular and respiratory systems.

Travel and aviation reports describe Addis Ababa as one of the world’s few major airline hubs located at such elevation. The city’s Bole International Airport serves as the primary base for Ethiopian Airlines and handles a significant share of connecting traffic between West Africa and destinations in the Middle East, Europe, Asia and the Americas. This makes it a frequent transfer point for Nigerian travelers heading to long-haul destinations.

Medical guidance available from global health bodies indicates that many healthy individuals can adjust to reduced oxygen levels without severe symptoms. However, people with existing heart disease, uncontrolled hypertension, chronic obstructive pulmonary disease, severe asthma or other respiratory conditions may experience worsening shortness of breath, chest discomfort, fatigue or other complications when exposed to high altitude, particularly after a long flight.

Who Is Most at Risk When Transiting Addis Ababa

The Nigerian advisory specifically highlights travelers with pre-existing cardiovascular and respiratory conditions as a priority group for caution. Public summaries of the statement indicate that these conditions could be aggravated by exposure to high-altitude environments such as Addis Ababa, especially when combined with common travel-related stresses like dehydration, extended immobility and jet lag.

Reports also note that travelers undergoing ongoing medical treatment, including those recently discharged from hospital or managing chronic illness, are advised to speak with their healthcare providers before selecting routes that involve Addis Ababa. Passengers who rely on supplemental oxygen or who have recently experienced major surgery, stroke or cardiac events are frequently listed in international medical travel guidance as requiring particular care when flying and when visiting or transiting through high-altitude cities.

Publicly available health information further suggests that older travelers and pregnant passengers with underlying complications may also face elevated risk if their conditions limit the body’s ability to compensate for thinner air. The Nigerian advisory encourages all such travelers to obtain a professional assessment of their fitness to fly and to discuss whether a lower-altitude routing might be safer.

Implications for Flight Choices and Travel Planning

The advisory comes at a time when Addis Ababa continues to grow as a key connection point for Nigerian air passengers. Flight information published by aviation data providers and airport authorities identifies Bole International Airport as a major hub linking Lagos, Abuja and other Nigerian cities to an expanding network of destinations. Ethiopian Airlines operates some of the most widely used one-stop connections from Nigeria to cities in Europe, North America and Asia via Addis Ababa.

Travel industry coverage notes that the new guidance does not prohibit Nigerians from flying through the Ethiopian capital. Instead, it urges passengers with health vulnerabilities to weigh alternative hubs at lower altitudes when possible, or at least to ensure they are medically cleared before choosing routes through Addis Ababa. In practice, this may mean discussing specific flight options with airlines or travel agents and paying attention to where layovers occur.

For many travelers, Addis Ababa will likely remain a practical and competitive option because of schedules and fares. The advisory, however, places greater responsibility on medically at-risk passengers to consider whether a different transit point, such as a coastal or low-altitude hub, might offer a wider safety margin. It also highlights the importance of sharing accurate health information when booking tickets or requesting special assistance.

Precautionary Steps Recommended to Nigerian Travelers

Health and travel reports summarizing the advisory indicate several precautionary measures for Nigerians who must or choose to transit through Addis Ababa. A central recommendation is to obtain a thorough medical review before travel, particularly for anyone with a record of cardiovascular or respiratory illness. Clinicians can advise on medication adjustments, need for oxygen support, or whether travel should be postponed.

Published guidance from international health sources on high-altitude travel often emphasizes gradual acclimatization, hydration, and avoidance of heavy exertion in the first hours at elevation. While transfer passengers in Addis Ababa may spend limited time outside the terminal, they are still exposed to the city’s altitude on arrival. Travelers are therefore encouraged to rest between flights where possible, drink water regularly, avoid excessive alcohol, and monitor for concerning symptoms such as severe headache, chest pain, persistent shortness of breath or confusion.

The Nigerian advisory is framed as part of a broader effort to protect citizens abroad, alongside existing public-health communications on infectious diseases and travel-related risks. By drawing attention to the specific hazards of high-altitude transit, it signals to Nigerian travelers that route selection, medical clearance and in-flight self-care can be as critical to safety as passport validity or security screening when planning international journeys.