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Breast-feeding in the human and higher primates unlike the case of most other mammals, is learned rather than instinctive; over a long time it has been shown to be highly labile. Its success appears to depend not only upon the capacity of the mother to lactate, i.e. to produce milk, or on the child's ability to suckle, but perhaps more significantly, on the mother's desire to breast-feed, on the availability of sufficient reference models upon which she can base her own performance and draw upon for psycho-social support during lactation. In modern settings breast-feeding is likely to involve the mother in complex and new role situations, and to become increasingly vulnerable to the social characteristics of the environment in which she operates.

It is generally acknowledged that the popularity of breast-feeding, expressed in terms of the frequency with which it is taken up, and the length of time it is continued, is declining, and that, especially among populations of the Third World, the implications of this decline for infant health are likely to be serious and far reaching.

Part of the impact of the war in ex-Yugoslavia and especially Bosnia and Herzegovina was to limit the supply of therapeutic drugs they had used before the war. The difficulties encountered made the health care system temporarily dependent on humanitarian assistance agencies which applied the concept of essential drugs; and, after initial difficulties, national health staff adapted to the need to prescribe from a very limited range of drugs. Meanwhile, national drug policy and procurement and prescribing practices were reviewed by working groups and a national List of Essential Drugs was drawn up by national experts with international support. This list has now been passed into legislation.

This essay addresses the relationship between communication, public opinion, and democracy, which is evident in Athenian democracy. It briefly considers the complexity of the concept of public opinion, and how it was understood as a political phenomenon accepted in general thinking and political action, as a consequence of the democratic dynamism originated by the printing press. After briefly considering some of the most relevant ideas about this relationship throughout the 19th century, this essay discusses the main attitudes that emerged in the face of public opinion after the First World War, from which the most relevant theories about the effects of media on opinion, behaviours, and action begun to be developed. The study takes into account the development of an empirical science of public opinion, linked to scientific opinion surveys. It summarises how the investigation of the effects of the media goes through a stage in which they are considered irrelevant, until some studies – especially the theories of agenda setting and the spiral of silence– recovered the idea of the powerful effects of the media. Finally, the essay addresses the new challenges posed by the disenchantment with democracy, the loss of credibility of the media, and the way of understanding communication, at a time in which digital technology has facilitated the creation of social media, causing a situation described as the post-truth era, in which the global need for information becomes more evident. The new challenges affect the political science, research on public opinion, and the science of communication, which requires a foundation of greater consistency than the current one.

The Joint United Nations Programme on HIV/AIDS (UNAIDS) and the United Nations Department of Peacekeeping Operations (DPKO) have published On the front line: A review of programmes that address HIV among international peacekeepers and uniformed services 2005–2010. This report outlines the progress made and the obstacles encountered in implementing Resolution 1308 and will serve as background when the Security Council meet on 7 June to deliberate progress towards the resolution. In 2000 when the United Nations Security Council adopted Resolution 1308 it was a watershed moment in the global AIDS response. It was the first time in its history that the Security Council unanimously adopted a resolution addressing a public health concern and its implications for international peace and security. There are clearly new opportunities for consolidating the progress and addressing new challenges. The imperative to further explore the relationship between AIDS and insecurity is also clear Michel Sidibé, UNAIDS Executive Director and Alain Le Roy, Under-Secretary-General for United Nations Peacekeeping Operations The resolution recognized that societal violence and instability exacerbate the spread of HIV and, left unchecked, could pose a threat to international peace and security. It called on UNAIDS and DPKO to develop HIV-specific strategies and programmes within the context of United Nations peacekeeping operations. The report notes that significant progress has been made in providing access to HIV prevention, treatment, care and support services for all sections of society—including peacekeepers and other uniformed services personnel. Nevertheless, during the past 10 years, the evolving landscape of crises and conflicts throughout the world has reshaped these challenges and underscored the need for a new response to AIDS in the context of United Nations actions to help prevent conflict, ensure security and build peace.

The 2015-2017 global migratory crisis saw unprecedented numbers of people on the move and tremendous diversity in terms of age, gender and medical requirements. This article focuses on key emerging public health issues around migrant populations and their interactions with host populations. Basic needs and rights of migrants and refugees are not always respected in regard to article 25 of the Universal Declaration of Human Rights and article 23 of the Refugee Convention. These are populations with varying degrees of vulnerability and needs in terms of protection, security, rights, and access to healthcare. Their health status, initially conditioned by the situation at the point of origin, is often jeopardised by adverse conditions along migratory paths and in intermediate and final destination countries. Due to their condition, forcibly displaced migrants and refugees face a triple burden of non-communicable diseases, infectious diseases, and mental health issues. There are specific challenges regarding chronic infectious and neglected tropical diseases, for which awareness in host countries is imperative. Health risks in terms of susceptibility to, and dissemination of, infectious diseases are not unidirectional. The response, including the humanitarian effort, whose aim is to guarantee access to basic needs (food, water and sanitation, healthcare), is gripped with numerous challenges. Evaluation of current policy shows insufficiency regarding the provision of basic needs to migrant populations, even in the countries that do the most. Governments around the world need to rise to the occasion and adopt policies that guarantee universal health coverage, for migrants and refugees, as well as host populations, in accordance with the UN Sustainable Development Goals. An expert consultation was carried out in the form of a pre-conference workshop during the 4th International Conference on Prevention and Infection Control (ICPIC) in Geneva, Switzerland, on 20 June 2017, the United Nations World Refugee Day.