Diphtheria is caused by Corynebacterium species, mostly by toxin-producing Corynebacterium diphtheriae and rarely by toxin-producing strains of C. ulcerans and C. pseudotuberculosis. The most common type of diphtheria is classic respiratory diphtheria, whereby the exotoxin produced characteristicall...y causes the formation of a pseudomembrane in the upper respiratory tract and damages other organs, usually the myocardium and peripheral nerves. Acute respiratory obstruction, acute systemic toxicity, myocarditis and neurologic complications are the usual causes of death. The infection can also affect the skin (cutaneous diphtheria). More rarely, it can affect mucous membranes at other non-respiratory sites, such as genitalia and conjunctiva.
C. diphtheriae is transmitted from person to person by intimate respiratory and direct contact; in contrast, C. ulcerans and C. pseudotuberculosis are zoonotic infections, not transmitted person-to-person. The incubation period of C. diphtheriae is two to five days (range 1– 10 days). A person is infectious as long as virulent bacteria are present in respiratory secretions, usually two weeks without antibiotics, and seldom more than six weeks. In rare cases, chronic carriers may shed organisms for six months or more. Skin lesions are often chronic and infectious for longer periods. Effective antibiotic therapy (penicillin or erythromycin) promptly terminates shedding in about one or two days.
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Migration Health Division Information Sheet Series
Migration Health Assistance for Crisis-Affected Populations
HIV/AIDS, TB, Malaria, Cholera, Re/Emerging Diseases and Mobility
Over the past 50 years, dengue has spread from nine to over a hundred countries, making it the most rapidly spreading vector-borne disease. Yet, dengue continues to have a low profile among policy-makers and donors and does not receive the media attention it deserves. While there is no vaccine or cu...re for dengue, it can be managed and prevented. We need a renewed commitment to integrated programming that includes improved management and diagnosis, increased awareness and community participation in controlling the vector and enhanced environmental sanitation
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This field action guide focuses on the first psychosocial assessment to be conducted just after a calamity strikes or just after a major event in an ongoing armed conflict. While it is necessary to update that initial assessment as the emergency situation evolves through the different phases of reco...very (briefly outlined in the “phase chart”), this mini book is meant to guide the formation of a team to assess the psychosocial as well as physical needs of children, their families and the communities and then the recommendations the team makes for ensuing support.
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Interim Guidance, published 11 January 2021.
The cold chain is necessary to prevent damage to vaccines caused by heat exposure. However, improper use of cold chain equipment may cause damage to freeze-sensitive vaccines (i.e. those vaccines containing alum adjuvant or oil-emulsion adjuvant). Studie...s conducted in several countries with hot and cold climates show frequent occurrences of sub-zero temperatures in the cold chain. The most common cause of exposure to freezing temperature is the failure to correctly condition ice packs prior to transport. Vaccines that are inadvertently frozen lose potency, increase wastage rates and increase the risk of adverse events following immunization (AEFI). Vaccine carriers protect vaccine potency during immunization sessions and transport to outreach sites. This guidance document is intended to help inform which type of vaccine carrier to select based on local context, to maintain vaccine quality, especially at service delivery points.
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The coronavirus outbreak that began in 2019 (COVID-19) threatens to reverse years of hard-won gains in preventing and treating HIV. Fragile health systems are further stressed as health workers navigate an increased client load and demands at work while also being concerned for their own health and ...that of their families. Health facilities have been redesigned to care for patients with COVID-19, posing challenges to other services. Governments and civil society organizations have redirected scarce resources and shifted programming priorities to respond to the pandemic. Several countries have reported intermittent declines in HIV testing and diagnosis, antenatal care visits, collection of antiretroviral medicines (ARVs) by people living with HIV, and attendance at clinic appointments. Community-based education and support programmes have had to rapidly adapt to restrictions on movement and public gatherings. Children, adolescents, and women have experienced multiple deprivations due to the adverse impact of the pandemic.
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Copenhagen, Denmark, 24–25 August 2017
March 2021
This report presents the key findings of the NFHS-5 survey in Arunachal Pradesh, followed by detailed tables and an appendix on sampling errors. The 2019-21 National Family Health Survey (NFHS-5), the fifth in the NFHS series, provides information on population, health, and nutrition for... India and each state and union territory.
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A survival guide for clinicans.
3rd edition.
DHS Further Analysis Reports No 102
This pan-African report describes and analyses the cultural, social, physical and other societal barriers preventing children with disabilities in Africa from realising their full human potential. It also describes the opportunities, initiatives and good practices that exist, that indicate the progr...ess, albeit insufficient, that has been made towards realising the rights for children with disabilities in Africa. Recommendations and priorities for action are presented which promote inclusive and accessible laws, policies, and programmes for children with disabilities throughout Africa
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