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  • [ November 23, 2020 ] Antigen Testing for COVID-19: Principle, Procedure, Results and Interpretations Lab Diagnosis of Viral Disease
  • [ November 19, 2020 ] mRNA Vaccine: What it is and How it works? Immunology
  • [ October 13, 2020 ] Francisella tularensis: Properties, Pathogenesis, and Laboratory Diagnosis Bacteriology
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Various types of viruses
Virology

5 Most Dangerous Viral Infections In History

December 15, 2020 Guest Author 0

We have come to a time that everyone is afraid, and the economy is greatly affected due to a viral infection we refer to as COVID-19 or coronavirus. The coronavirus outbreak has paved the way […]

COVID-19 antigen testing devices
Lab Diagnosis of Viral Disease

Antigen Testing for COVID-19: Principle, Procedure, Results and Interpretations

November 23, 2020 Acharya Tankeshwar 1

The SARS-CoV-2 viral antigen is generally detectable in nasopharyngeal swab specimens during the acute phase of infection. Most of the currently available antigen testing devices for the diagnosis of COVID-19 relies on qualitative detection of […]

RNA vaccine technology
Immunology

mRNA Vaccine: What it is and How it works?

November 19, 2020 Acharya Tankeshwar 4

When two pharmaceutical companies Moderna and Pfizer/BioNTech announced developments of mRNA (messenger RNA) vaccine against COVID-19, there is widespread optimism around the globe as it may limit COVID pandemics. Scientists are evaluating nucleotide-based vaccines (DNA […]

Life cycle of lytic bacteriophage
Virology

Bacteriophage: Structure, Replication and Uses

June 22, 2020 Acharya Tankeshwar 0

Bacteriophages “bacteria-eater” are infectious agents that replicate as obligate intracellular parasites in bacteria with high selectivity. They are the powerful regulators of bacterial populations in natural ecosystems and are found in the soils, plants, rivers, […]

Cytopathic effects
Lab Diagnosis of Viral Disease

Cytopathic effect (CPE) of Viruses: Types with Examples

June 15, 2020 Acharya Tankeshwar 0

Visible morphological changes in cell cultures caused by viral infections is called cytopathic effects (CPE). The degree of visible changes to cells caused by viral infection varies with the type of virus, type of host […]

Shell Vial Cell Culture
Virology

Shell Vial Cell Culture: Principle, Uses, and Limitation

June 13, 2020 Acharya Tankeshwar 1

Shell vial cell culture, a centrifuge enhanced tissue culture assay, is a modification of conventional cell culture for the rapid detection of viruses in vitro. Principle The technique involves inoculation of the clinical specimen on […]

Toxin neutralization test
Immunology

Neutralization Test for Virus and Toxins

June 9, 2020 Acharya Tankeshwar 0

When a person is infected with a pathogen, antibodies are produced against many epitopes of this pathogen. A subset of these antibodies can block infection by a process called neutralization. These antibodies block or distort the […]

Fluorescent antibody methods
Immunology

Indirect Fluorescent Antibody (IFA) Test

June 9, 2020 Acharya Tankeshwar 0

The indirect fluorescent antibody test (IFA) is a semi-quantitative, sensitive, and rapid test to detect which can be used to detect specific antibodies or antigens present in the samples. IFA for the detection of Antibodies […]

Embroyonated Egg culture for Viruses
Lab Diagnosis of Viral Disease

Embroyonated Egg Cultures for Viruses

June 5, 2020 Acharya Tankeshwar 0

Embroyonated chicken eggs are used for the cultivation of some viruses. The viruses grow in the cells of the embryo and membranes. Specimens are inoculated into pathogen-free fertilized eggs of 10-11 days and are incubated […]

COVID-19 kit
Virology

COVID-19 Testing Kits That You Should Only Use According To FDA

June 3, 2020 Guest Author 0

Today, the whole world is suffering and threatened with this newly discovered disease, the COVID-19. People who are infected with the coronavirus are showing symptoms that are almost similar to having colds or flu. Sadly, […]

SARS-Cov-2-IgG-IgM-procedure-and-interpretation
Lab Diagnosis of Viral Disease

SARS-CoV-2 IgG/IgM Rapid Test for the diagnosis of COVID-19

April 14, 2020 Acharya Tankeshwar 0

SARS-CoV-2 IgG/IgM rapid test is a lateral flow immunoassay intended for the qualitative detection of IgM and IgG antibodies to SARS-CoV-2 in the blood (serum, plasma) from patients suspected of COVID-19. The SARS-CoV-2 IgG/IgM rapid […]

COVID-19 Nasopharyngeal swab collection procedure
Virology

Collection and Transport of Nasopharyngeal Swab

April 4, 2020 Acharya Tankeshwar 4

Nasopharyngeal (NP) swab is the optimal upper respiratory tract specimen collection method for viral respiratory infections such as respiratory syncytial virus (RSV), SARS-CoV-2, influenza virus A & B, and parainfluenza virus. Nasopharyngeal swabs are also […]

Posts navigation

1 2 … 6 »
  • Various types of viruses
    5 Most Dangerous Viral Infections In History
    December 15, 2020 0
  • COVID-19 antigen testing devices
    Antigen Testing for COVID-19: Principle, Procedure, Results and Interpretations
    November 23, 2020 1
  • RNA vaccine technology
    mRNA Vaccine: What it is and How it works?
    November 19, 2020 4
  • Francisella tularensis basic feature
    Francisella tularensis: Properties, Pathogenesis, and Laboratory Diagnosis
    October 13, 2020 0
  • Burkholderia pseudomallei
    Burkholderia pseudomallei: Properties, Pathogenesis and Laboratory Diagnosis
    October 9, 2020 1

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