The Covid-19 pandemic has been one of the greatest challenges to the established international order since the Second World War; a global threat that has required global solutions borne out of global cooperation. I pay tribute to people and nations across the world in confronting such a threat. International collaboration was immensely heartening to witness in the darkest of times.
As in the late 1940s, where, to avert a repeat of the cataclysm of total war, world leaders united to establish the multilateral system we have today, I think it is reasonably fair to argue that a similar effort is required on the part of world leaders to strengthen preparedness for potential future pandemics.
As such, I welcome the suggestion of the former Prime Minister, writing with other world leaders in 2021, that the international community should commit to producing a new international treaty for pandemic preparedness and response. I understand that such a treaty would aim to foster greatly enhanced cooperation in order to better protect the UK from the health, social and economic impacts of pandemics.
Discussions are ongoing at the World Health Organisation to this end. I appreciate your concerns about this; however, the Government will not support any treaty which compromises the UK's sovereignty. There is nothing in the proposed treaty that would impact our ability to take decisions about national lockdowns or associated measures at the national level.
Once adopted, international treaties only become binding in the UK when ratified by Parliament in accordance with our constitutional process. No international treaty can by itself change UK law. If changes to the law are necessary, then a treaty could not be ratified until domestic legislation, agreed by Parliament, was put in place.