Infectious diseases are illnesses caused by germs (such as bacteria, viruses, and fungi) that enter the body, multiply, and can cause an infection. Symptoms can range from mild to severe and can affect different parts of the body. Symptoms of an infectious disease depend on the type of pathogen and the severity of the infection. Common symptoms include fever, fatigue, cough, headache, muscle aches, and rash. Some infectious diseases can be treated with antibiotics, antivirals, or other medications, while others may require supportive care to manage symptoms until the body's immune system can clear the infection.
Some infectious diseases can be prevented through vaccination, good hygiene practices, and avoiding close contact with infected individuals. Early detection and treatment of infectious diseases is important to prevent the spread of the disease to others and to prevent serious complications from developing.
Urine samples
Urine samples can be used to detect certain bacterial or viral infections, as well as to monitor kidney function.
Blood samples can be used to measure levels of cytokines, antibodies, or other biomarkers that indicate an infection or the body's immune response.
Sputum samples can be collected to identify the presence of bacteria or other pathogens in the respiratory tract.
Stool samples are commonly collected to detect gastrointestinal infections caused by bacteria, viruses, or parasites.
Tissue samples, such as skin or biopsy specimens, can be collected to diagnose infections or to examine the effects of the infection on the body's tissues.
Blood samples can be used to measure levels of cytokines, antibodies, or other biomarkers that indicate an infection or the body's immune response.
A nasopharyngeal swab involves collecting a sample of mucus or secretions from the back of the nose and throat. This sample can be used to detect respiratory viruses, such as COVID-19.
These samples are typically analyzed in the laboratory using techniques such as polymerase chain reaction (PCR), culture, serology, or microscopy. The results of these tests can help diagnose the infectious disease, monitor the disease progression, and guide the selection of appropriate treatment options.
Experimental models are crucial in infectious disease research and development (R&D) for understanding the biology of pathogens, testing new therapies, and developing vaccines. Some commonly used experimental models in infectious disease R&D include:
Cell culture: This involves growing pathogenic bacteria, viruses, or other pathogens in laboratory cultures of cells, which can be used to study the pathogen's life cycle and the host response.
In vivo models: Animals, such as mice or rabbits, can be infected with a pathogen to study its natural history, host response, and the efficacy of new therapies.
Non-human primate models: Non-human primates, such as monkeys, can be used as experimental models for some infectious diseases, especially for those that are more similar to human infections.
In vitro models: These models use human or animal cells or tissues in a laboratory setting to study the host response to infection or the effects of new treatments.
Human challenge studies: These are controlled studies where volunteers are intentionally infected with a pathogen to study the natural history of the disease and to test the efficacy of new treatments or vaccines.
Each experimental model has its own strengths and limitations, and the choice of model will depend on the specific research questions and the type of pathogen being studied. Experimental models are essential tools for advancing our understanding of infectious diseases and for developing new and effective interventions.
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Perform a feasibility study by looking for existing samples already in collections & ready to be transferred
Set up a clinical biological collection and preparing contracts with sources
Assist the material transfer from the source to the lab, including treatments, QA or shipping, as needed