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Pandemics and Biosecurity
21JUL

US widens Ebola ban to green-card holders

3 min read
09:12UTC

HHS extended its 30-day Ebola entry ban to green-card holders on 5 June, while the treaty annex meant to tie data-sharing to vaccine access stayed deadlocked ahead of July talks.

ScienceDeveloping
Key takeaway

DRC shares Bundibugyo sequence data now while the annex guaranteeing access stays deadlocked into July.

The US Department of Health and Human Services (HHS), the federal department overseeing the CDC, expanded its 30-day Ebola entry ban on 5 June to cover green-card holders, lawful permanent residents 1. The restriction has been in force since 18 May against travellers from DRC, Uganda and South Sudan and runs to about 17 June, so it has widened rather than expired. DRC's health minister called it discriminatory and unsupported by science, and Kinshasa is negotiating an early lift 2. A counter-case exists: states may reasonably screen at the border during an emergency, and a Ugandan traveller with a recent United Arab Emirates (UAE) history did surface in the case data, though the UAE confirmed on 3 June it had found no onward transmission 3.

The restriction lands while the treaty meant to govern moments like this stays stuck. The WHO Pandemic Agreement's Pathogen Access and Benefit-Sharing annex, PABS, the rule tying rapid pathogen-data sharing by source countries to guaranteed access to the vaccines and treatments derived from it, was deferred at the World Health Assembly and now waits on the seventh negotiating session, IGWG7 (the Intergovernmental Working Group), 6 to 17 July 4. WHO cannot open the agreement for signature until member states adopt the annex.

DRC shows the mechanism live right now. Kinshasa is sharing Bundibugyo sequence data in real time, the genome already confirmed distinct from the 2007 and 2012 strains, while receiving no treaty-guaranteed access to whatever those sequences help produce. DRC is paying into a system whose July deadline arrives months after the vaccines its data informs. The gap the annex exists to close is running live, in one country, this month.

Deep Analysis

In plain English

The US government imposed a travel ban in May on people from DRC, Uganda and South Sudan , three countries connected to this Ebola outbreak. On 5 June they expanded it to include green-card holders, meaning even people who live legally in the US and were travelling to those countries now face restrictions on returning. The World Health Organisation says travel bans don't stop Ebola , which needs direct contact with infected bodily fluids to spread , and actually make outbreaks worse by blocking health workers and disrupting supply chains. DRC's health minister called it discriminatory. Separately, a global treaty that was supposed to guarantee that countries like DRC get fair access to vaccines when they share disease data is still deadlocked in negotiations, with the next attempt scheduled for July.

Deep Analysis
Root Causes

The PABS deadlock has a structural root cause that predates the current outbreak: roughly 100 LMIC member states demand that rapid pathogen-data sharing be contractually linked to guaranteed access to vaccines and treatments derived from those sequences, while high-income bloc states, protecting pharmaceutical IP arrangements and open-sequence-data norms, have refused to make vaccine access legally binding.

DRC is currently demonstrating the LMIC position in real time: it shared Bundibugyo sequence data under existing surveillance norms, vaccine investment arrived via CEPI and GAVI, and DRC nationals simultaneously face a US entry ban.

The green-card expansion by HHS has a domestic legal root cause separate from the epidemiology: the 18 May order's original exclusion of lawful permanent residents was challenged on due-process grounds under the Fifth Amendment, and the expansion to include them likely reflects administration legal advice that the original order's carve-out was inconsistent with the public-health emergency rationale.

Escalation

The green-card expansion represents an escalation from the 18 May entry ban: extending to lawful permanent residents means the restriction now covers a class of people with established legal ties to the US, raising constitutional challenge risk and creating a stronger diplomatic friction point.

The ban's ~17 June expiry creates a near-term decision point: extend, allow to lapse, or replace with a monitoring framework. Kinshasa's active negotiation for early lifting suggests a deal on enhanced screening in lieu of the ban is the most probable outcome, but the outcome depends on outbreak trajectory over the next eight days.

What could happen next?
  • Risk

    The PABS deadlock at IGWG7 (6-17 July) runs in parallel with the DRC outbreak: if July produces no text, the full WHO Pandemic Agreement cannot open for signature, and the current outbreak provides the clearest demonstration yet of the equity gap it was designed to close.

    Short term · Assessed
  • Consequence

    The entry ban's inclusion of green-card holders creates a constitutional challenge pathway and a diplomatic friction point with Kinshasa that may complicate US-led outbreak response coordination, including the US-led FIFA World Cup screening protocols announced 28 May.

    Immediate · Assessed
  • Precedent

    The PABS negotiating bloc's real-world illustration , DRC sharing sequence data, then facing a US travel ban , may harden LMIC positions at IGWG7 rather than create goodwill, making a July breakthrough less rather than more likely.

    Short term · Assessed
First Reported In

Update #6 · Ebola outbreak gets an R0, and a fork

World Health Organization· 9 Jun 2026
Read original
Different Perspectives
UK Government
UK Government
The Biological Security Strategy implementation report published 14 July commits the UK to deciding within twelve months whether to make DNA-synthesis screening mandatory, backed by GBP 1.83bn for biosecurity centres. It is a preemptive move on a threat that has not yet produced a UK incident.
Cambodia's Ministry of Health
Cambodia's Ministry of Health
Cambodia confirmed a nine-month-old girl in Phnom Penh as its fourth 2026 H5N1 case on 11 July, the country supplying four of the world's seven new human cases since February. The ministry's confirmed-case cadence is running well ahead of a US surveillance system that has recorded nothing new since March.
Knowledge Ecology International
Knowledge Ecology International
KEI published proposed annex text on the day IGWG7 opened that would attach benefit-sharing duties to a product's market registration, regardless of whether the manufacturer used shared samples or only downloaded sequence data. It is the Africa Group's fallback position if the sample-based bargain fails to bind.
European Union
European Union
The EU and other industrialised states backed a hybrid model built on centralised infrastructure with more flexible access terms, the opposite design choice from the Africa Group's. Brussels wants conditions handled contractually once samples reach shared facilities, not attached to national custody of the material itself.
Africa Group / Algeria
Africa Group / Algeria
Algeria, speaking for the Africa Group at IGWG7, backed distributed national and regional laboratories under binding access conditions, arguing that supplying states must keep legal control of samples rather than surrender them into shared infrastructure.
Uganda's Ministry of Health
Uganda's Ministry of Health
Uganda discharged its last confirmed patient on 16 July and opened a 42-day countdown to declaring its own outbreak over, closing at 20 cases and 2 deaths with no new case since 21 June. This is a closing chapter running alongside DR Congo's still-worsening one, contingent on a border DRC can no longer see across.