Agreement: I Agree Body: Dear Editor, The BMJ article by Touhid powerfully illustrates how dengue exposes the fragility of health systems serving displaced populations. While the immediate challenge is vector-borne disease, the wider lesson extends beyond Bangladesh. Humanitarian responses must resist separating infectious disease control from broader physical healthcare and communication support. During the UK Afghan resettlement programme following the fall of Kabul in 2021, we observed a simi