International
What is known about the new coronavirus variants under surveillance in the Americas?
August 28|
The Pan American Health Organization (PAHO) has recently published a technical note on two variants of Omicron, descendants of the coronavirus, which have been under scrutiny in recent months.
These are the variants known scientifically as EG.5 and BA.2.86 and, to date, the findings suggest that, despite their presence, there appears to be no significant change in their impact on public health.
EG.5, the variant that put scientists on alert
EG.5, a variant derived from XBB.1.9.2 (itself from Omicron), was first detected in February 2023. But it was only last August 9 that health authorities classified it as a “Variant of Interest” (VOI). The PAHO report notes that there has been a steady increase in the proportion of reported EG.5 infections worldwide, and that countries such as Canada, Colombia, Costa Rica, the United States and the Dominican Republic have also noted this trend. However, so far, no significant changes in disease severity related to this sublineage have been detected.
BA.2.86, variant under surveillance
BA.2.86 initially emerged in a sample taken in Denmark at the end of July 2023. Although it has been detected in other regions, only a total of seven sequences have been reported to date. The World Health Organization (WHO) classified it as a variant under surveillance on August 17 because it has a considerable number of mutations in the genes of the virus spicule.
So far, the available evidence on BA.2.86 is limited, which has led PAHO to indicate that “initial risk assessment will be generated shortly”. This suggests that more research is needed to better understand its transmission capacity, its ability to evade immune response and its potential severity.
Public health risk alert
PAHO has assessed the public health risk posed by EG.5 as low and comparable to that of other currently circulating variants of concern. However, the outlook for BA.2.86 is still under evaluation, underscoring the importance of maintaining constant vigilance on these emerging variants.
PAHO together with the World Health Organization (WHO) have reiterated that the recommendations to combat the spread of COVID-19 remain unchanged. In addition, it has urged all countries in the region to continue to collect representative samples for sequencing and to maintain adequate genomic surveillance of SARS-CoV-2. This is essential as the virus continues to circulate and evolve.
WHO warns that many countries are underreporting new cases
Maria Van Kerkhove, WHO technical lead for COVID-19 issues, has reported that the EG.5 variant of the Omicron virus has a higher transmission capacity, but does not appear to be more severe than other variants.
In Van Kerkhove’s words, “we did not detect a change in the severity of the EG.5 variant compared to other Omicron sublineages that have been circulating since late 2021.” This suggests that, despite its increased ability to transmit, the EG.5 variant does not appear to cause a more severe form of the disease compared to other previously identified Omicron variants.
For his part, WHO director general Tedros Adhanom Ghebreyesus expressed concern that many countries were not reporting COVID-19-related data to WHO. He said that only 11% of countries had reported on hospitalizations and intensive care unit (ICU) admissions related to the virus.
In response to this situation, WHO issued a set of standing recommendations for COVID-19. In these recommendations, it urged countries to continue to report data on COVID-19, especially mortality and morbidity data, and to continue to offer vaccination.
Maria Van Kerkhove emphasized that the lack of data from many countries is hampering efforts to combat the virus. “About a year ago, we were in a much better situation to anticipate, act or be more agile. And now, the delay in our ability to do that is growing. And our ability to do so is decreasing,” he stressed.
The situation in the Americas
According to data provided by WHO, the health agency responsible for monitoring the evolution of the coronavirus worldwide, the last month has seen an alarming increase in the number of new cases of COVID-19, with more than 1.4 million new cases reported, representing a 63% increase compared to the previous period.
However, there has been a 56% decrease in the number of deaths during the same period. These data underscore the continued need to maintain stringent control and surveillance measures.
However, they stress that as the SARS-CoV-2 virus continues to evolve, it is essential to maintain constant monitoring of emerging variants such as EG.5 and BA.2.86.
Although the risks appear to be low at this time, the situation may change, and it is vital to follow the recommendations of public health authorities and maintain active surveillance to ensure an effective response to the ongoing pandemic.
International
Mexico and Guatemala Agree on Five-Point Binational Plan for 2027
Mexico and Guatemala agreed Tuesday on a 2027 Binational Plan built around five areas of cooperation, along with a schedule of meetings and initiatives aimed at making progress by the end of 2026 on security, border infrastructure, human mobility, development and technical and social cooperation.
The agreement was announced by the foreign ministers of both countries following a meeting in Mexico City.
Mexican Foreign Minister Roberto Velasco said the plan will establish the “direction and priorities” of bilateral relations for next year. His Guatemalan counterpart, Carlos Ramiro Martínez, said the meeting allowed both governments to make decisions, schedule activities and revitalize bilateral cooperation mechanisms.
Security and border infrastructure
In the area of security, the two governments have nearly completed negotiations on a new memorandum of understanding for the Mexico-Guatemala High-Level Security Group (Ganseg), which was reactivated in 2025.
The countries expect to sign the agreement in the coming months to strengthen coordination and their ability to respond to shared security threats.
Regarding their nearly 1,000-kilometer shared border, Mexico and Guatemala agreed to advance infrastructure improvements at border crossings and continue work on a joint cargo clearance program between Ciudad Hidalgo and Tecún Umán, two border areas separated by the Suchiate River.
The measures are intended to facilitate bilateral trade while making cross-border exchanges safer and more efficient.
The two governments will also continue defining a route toward a railway connection between their countries through Line K of Mexico’s Interoceanic Corridor of the Isthmus of Tehuantepec (CIIT), with the aim of strengthening economic and community ties.
Migration and development
On human mobility, Mexico and Guatemala will maintain coordination to ensure safe, orderly and dignified returns, while strengthening protection for people in transit.
The bilateral agenda also includes a second phase of the Sembrando Vida program in Guatemala, which is expected to benefit 10,000 people across 15 departments.
Both countries will also advance initiatives under Juntos para el Bienestar, as well as six technical, scientific and energy cooperation projects approved by the Joint Commission.
The agreements seek to strengthen bilateral ties and establish concrete priorities for cooperation between Mexico and Guatemala during 2027.
International
France to Expel Two Iranian Diplomats Over Alleged Attack on French Officials
French Foreign Minister Jean-Noël Barrot announced Tuesday, August 18, 2026, that France will expel two Iranian diplomats in response to what Paris described as an attack on two French representatives in Iran last month.
“Two French diplomats were scandalously and deliberately assaulted on July 19. I had announced that this intolerable act would have consequences. It has now happened. Two Iranian diplomats in France will be expelled in the coming days,” Barrot said in a message posted on X.
The two Iranian diplomats have been declared persona non grata and will be required to leave France within the coming days, according to the French foreign minister.
About a month ago, Barrot said that two members of the French diplomatic staff had been detained by Iranian security forces for several hours. One of them was also subjected to harassment, he said.
The French government described the incident as an “extremely serious act of intimidation” that violated diplomatic immunity.
The two French embassy staff members were working on programs supporting Iranian civil society, particularly initiatives involving artists and researchers.
Iran has denied France’s allegations regarding the incident. The diplomatic dispute comes amid already strained relations between Paris and Tehran.
International
Heat wave puts more than 70 million Americans under alerts as temperatures near 46°C
More than 70 million people remained under heat alerts Monday as an intense heat wave continued across the southern United States, particularly Florida and states along the Mexican border, where temperatures and heat indexes could reach as high as 46 degrees Celsius, according to the National Weather Service (NWS).
Several cities recorded or tied temperature records over the weekend and into Monday, including Miami and Fort Lauderdale in Florida; Laredo, Borger and Austin’s airport in Texas; Atlanta, Georgia; Raleigh and Charlotte, North Carolina; and Memphis, Tennessee.
The NWS warned that the heat wave will continue affecting the southern and southeastern United States, with maximum temperatures expected to remain near 38°C to 40°C for several days. The heat index, which combines temperature and humidity to estimate how hot conditions feel, could reach 46°C.
The extreme heat is also spreading into the Southwest, where temperatures began rising again between Monday and Tuesday. Forecast highs in the region range from about 38°C to 43°C.
Heat alerts remain in effect across Nevada, Arizona and California, including areas in southern Arizona and California near the Mexican border, as authorities warn of the risks posed by prolonged extreme temperatures.
The NWS urged residents to limit outdoor activity, stay hydrated, ensure access to air conditioning or cooling centers, and check on vulnerable friends, neighbors and family members.
The United States is experiencing a summer marked by above-average temperatures and repeated heat waves. One of the most intense episodes occurred during the July 4 weekend, when extreme heat was blamed for roughly 30 deaths.
July was the hottest month ever recorded in the United States since measurements began, with the average temperature across the contiguous country approaching 25°C, according to the National Oceanic and Atmospheric Administration (NOAA).
The combination of extreme heat and drought conditions has also fueled wildfires. Nearly 3 million hectares have burned across the country so far in 2026, making it the largest area affected by wildfires in a decade.
Mexico and Guatemala Agree on Five-Point Binational Plan for 2027
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Heat wave puts more than 70 million Americans under alerts as temperatures near 46°C
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Trump warns Iran over nuclear ambitions as U.S.-Iran ceasefire deadline passes
Heat wave puts more than 70 million Americans under alerts as temperatures near 46°C
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Mexico and Guatemala Agree on Five-Point Binational Plan for 2027
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