Entretanto, à luz da possível introdução de um caso suspeito relacionado ao COVID-19 na Região das Américas, a Organização Pan-Americana da Saúde/Organização Mundial da Saúde (OPAS/OMS) recomenda que os Estados-membros garantam sua identificação oportuna, o envio de amostras a laborat...rios nacionais ou de referência e a implementação do protocolo de detecção molecular do COVID-19, dependendo da capacidade do laboratório. Até à data, o potencial patogênico e a dinâmica de transmissão do COVID-19 não são completamente claros. Por esta razão e à luz do conhecimento de outros vírus semelhantes (MERS-CoV, SRA-CoV), é necessário manter e reforçar as medidas de biossegurança e os equipamentos de proteção individual para o trabalho com amostras suspeitas de infecção com patógenos respiratórios.
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The latest update (28 January 2021) includes the following addition and revision:
biosafety aspects for working with antigen-detecting rapid diagnostic test;
handling new variants of SARS-CoV-2 in the laboratory;
updated assay decontamination before disposal;
personal protectiv...e equipment (PPE) for specimen collection;
addressing chemical hazards and their safe disposal; and
the fourth edition of the WHO Laboratory Biosafety Manual (LBM4) is now available and the terminology in this guidance was aligned with the LBM4.
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This document provides up-to-date guidance on laboratory studies as well as smallscale (semi-field) and large-scale field trials to assess the efficacy and determine field
application rates of new molluscicide products for control of schistosomiasis.
A total of 18 laboratories from 13 countries participated in the four rounds of EQA: 10 laboratories from eight African endemic countries, four of which participated in all four rounds and three in three rounds. The overall results showed that the median performance of these laboratories improved ov...er the four rounds. However, the proportion of laboratories reporting false–positive cases remains high and indicates a problem of specificity probably due to contamination. The proportion of laboratories reporting both false–positive and false–negative results raises the issue of the quality of the data reported by WHO in Africa as well as the results of the studies carried out in these different laboratories in various countries.
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18 Janaury 2021
EU/EEA Member States and the UK have increased their laboratory capacity tremendously over the past 11 months as the majority of the Member States reported sufficient testing capacity until March 2021.
Many countries are adding rapid antigen detection tests (RADT) to their ...testing strategies in order to reduce pressure on RT-PCR testing.
Some Member States have already included RADT in their case definition.
The main bottlenecks, such as shortages of laboratory consumables and human resources, as well as sample storing facilities, continue to exist and may affect the overall laboratory response to COVID-19.
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28 January 2021. The purpose of this document is to provide interim guidance on laboratory biosafety related to the testing of clinical specimens of patients.
Laboratory Biossafety Manual
Laboratory Biossafety Manual
Laboratory Biossafety Manual
Any individual that meets the suspected case definition of monkeypox should be offered testing in appropriately equipped laboratories by staff trained in the relevant technical and safety procedures. Confirmation of monkeypox virus infection is based on nucleic acid amplification testing (NAAT), usi...ng real-time or conventional polymerase chain reaction (PCR), for detection of unique sequences of viral DNA. PCR can be used alone, or in combination with sequencing. The recommended specimen type for laboratory confirmation of monkeypox is skin lesion material, including swabs of lesion surface and/or exudate, roofs from more than one lesion, or lesion crusts.
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This document provides interim guidance to countries on testing considerations and strategies for suspect cases of severe acute hepatitis of unknown aetiology in children. It is primarily intended for clinical, programmatic, laboratory and diagnostic stakeholders across Member States and national pu...blic health authorities involved in the identification and investigation of cases of severe acute hepatitis in children.
This document is part of a package of guidance for this event, which includes suggested minimum reporting variables and a clinical Case Report Form support Member States with case investigation and reporting.
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Quarta Edição.
Esta quarta edição do manual se baseia no esquema de avaliação de risco apresentado na terceira edição. Uma avaliação completa, baseada em evidências e transparente dos riscos permite que as medidas de segurança sejam equilibradas com o risco real de trabalhar com agentes... biológicos, caso a caso. Isso permitirá que os países implementem políticas e práticas de biossegurança e biosseguridade laboratoriais economicamente viáveis e sustentáveis que sejam relevantes para suas circunstâncias e prioridades individuais.A necessidade de atualizar as diretrizes de biossegurança de laboratórios internacionais faz parte de uma iniciativa mais ampla para globalizar a biossegurança e enfatizar os princípios e as abordagens que são acessíveis a países que tenham ampla gama de recursos financeiros, técnicos e regulatórios
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Dengue is a significant public health problem. There are four dengue virus serotypes identified; however, its diagnosis is difficult due to the existence of many viruses, bacteria, and parasites producing the same clinical presentation, being present in the same geographical area and even producing ...coinfections. Therefore, determining whether a person has, had, or is infected with dengue virus is of great importance. In order to do so, direct and indirect laboratory tests have been developed to identify the virus or part of its structure that generally detects the antibody response. These techniques are used for diagnosis, epidemiological studies, monitoring, assessment and production of vaccines and antivirals, etc. They range from the use of cell cultures, animal models, inoculation by insects, and serology tests to the use of detection molecular tests and quantification of genetic material that are described in this chapter herein, a brief explanation of this methodology, its strengths and weaknesses, and its application in the dengue research.
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Rabies has an enormous impact on both agriculture and conservation biology, but its greatest burden is undeniably on public health. As such, routine methods for rapid risk assessment after human exposures to rabies as well as applications for laboratory-based surveillance, production of biologicals ...and management of this infectious disease are critical. Given its mandate to improve human health and control disease among its Member States, WHO has led the production of this fifth edition of Laboratory techniques in rabies.
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Rabies has an enormous impact on both agriculture and conservation biology, but its greatest burden is undeniably on public health. As such, routine methods for rapid risk assessment after human exposures to rabies as well as applications for laboratory-based surveillance, production of biologicals ...and management of this infectious disease are critical. Given its mandate to improve human health and control disease among its Member States, WHO has led the production of this fifth edition of Laboratory techniques in rabies.
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