Category: Virology/Public Health/Disease Epidemiology

The Diagnostic Process

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Diagnosis has important implications for patient care, research, and policy. Diagnosis has been described as both a process and a classification scheme, or a “pre-existing set of categories agreed upon by the medical profession to designate a specific condition”. When a diagnosis is accurate and made in a timely manner, a patient has the best opportunity for a positive health outcome because clinical decision making will be tailored to a correct understanding of the patient’s health problem.

Disease Prevention Strategies

The natural history of a disease classifies into five stages: underlying, susceptible, subclinical, clinical, and recovery/disability/death. Corresponding preventive health measures have been grouped into similar stages to target the prevention of these stages of a disease. These preventive stages are primordial prevention, primary prevention, secondary prevention, and tertiary prevention.

Disease Prevention: Coronavirus

Coronaviruses (CoV), including SARS CoV, are single-stranded RNA viruses and belong to the family Coronaviridae. Coronaviruses are spread by the respiratory route.Severe acute respiratory syndrome (SARS) is caused by SARS coronavirus (SARSCoV), which is spread by the respiratory route and through the ingestion of aerosolized faeces via contamination of the hands and environment. Close contact […]

Antimicrobial Resistance: Updates from WHO

Key facts Antimicrobial resistance (AMR) threatens the effective prevention and treatment of an ever-increasing range of infections caused by bacteria, parasites, viruses and fungi. AMR is an increasingly serious threat to global public health that requires action across all government sectors and society. Without effective antibiotics, the success of major surgery and cancer chemotherapy would […]

RNA Interference: A Promising Approach for the Treatment of Hepatitis B Virus (HBV) Infection

HBV infection is global health problem with over 350 million HBV carriers worldwide and over one million deaths occurring annually. Current therapy which includes IFN-alpha and nucleoside analogs such as lamivudine are partially effective. And that’s where RNA Interference comes in.

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