Viral Transport Media (VTM)- Principle, Preparation, Uses, Limitations

Viral Transport Media (VTM)

Viral Transport Media (VTM) Definition A viral transport media (VTM) is a nutrient substance used to carry and maintain the viability of specimens (viruses) to a laboratory for the identification and further processing of the sample. Transport media for viruses are especially important as they are more labile than other infectious agents. The probability of successful isolation increases when the …

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Positive staining of Viruses

Positive staining of Viruses

What is positive staining? Positive staining of viruses is similar to negative staining. The difference is that the virus image is darker formed on a light background, unlike the negative staining where a light viral particle image is formed on a dark background. The technique is simple and it is used widely to study the diverse morphologies of viruses from …

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Different Types of COVID-19 Tests with Advantages & Limitations

Different Types of COVID-19 Tests

While coronavirus continues to hit different places all over the world, medical experts are also looking for ways to alleviate the situation. There’s no cure yet that can eradicate the virus, so testing is the only way to control the situation. Though there are numerous attempts to develop more tests, current options are limited in type, availability, and accuracy. Because …

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COVID-19 related free online courses with certificate

COVID-19 related free online courses with free certificate

Disclaimer: Logos and information are only used for educational purposes. If there are any copyright issues regarding the logo and information of the courses, please email us at [email protected] Logo Sources: Respective Websites. 1. COVID-19: Tackling the Novel Coronavirus by Future Learn Understand the emergence of COVID-19 and how we respond to it going forward The world is paying close attention …

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Prevention and Control of COVID-19

Prevention and Control of COVID-19 (SARS-CoV-2)

Since there is currently no vaccine to prevent coronavirus disease (COVID-19), the best way to prevent illness is to avoid being exposed to this virus. As the primary mode of transmission is droplet transmission, the preventive measures revolve around the avoiding of the transfer of the droplets. Figure: Prevention and Control of COVID-19 (SARS-CoV-2), Image created with biorender.com The following …

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Electron microscopy (SEM and TEM) images of SARS-CoV-2

Electron microscopy images of SARS-CoV-2

Here are some of the electron microscopy images (Scanning Electron Micrograph and Transmission Electron Micrograph) of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that causes Coronavirus Disease 2019 (COVID-19). More Images at https://www.flickr.com/photos/niaid/albums/72157712914621487/

Sample collection and Diagnosis of COVID-19 (SARS-CoV-2)

Sample collection and Diagnosis of COVID-19

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of diagnosis. If you are not feeling well, please consult with your physician or doctor. Specimen Collection Since COVID-19 is an infectious respiratory tract infection, respiratory material should be collected, at a minimum: upper respiratory specimens: nasopharyngeal …

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Treatment options and Vaccines updates of COVID-19

Treatment options and Vaccines updates of COVID-19

Medical Disclaimer: The information presented on the website is only for academic and study purposes and must not be used for the purpose of treatment. If you are not feeling well, please consult with your physician or doctor. Image Source: Biorender and ARTIS Ventures Current Therapies of COVID-19 Currently, no specific antiviral treatment has been confirmed to be effective against …

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Transmission, pathogenesis, replication of SARS-CoV-2 (COVID-19)

Transmission, pathogenesis, replication of SARS-CoV-2 (COVID-19)

Modes of transmission of SARS-CoV-2 (COVID-19) There are three modes of transmission of SARS-CoV-2 which include: Droplets transmission Contact transmission Aerosol transmission Figure: Modes of transmission of SARS-CoV-2. Image Source: NCBI Book Droplets transmission occurs when respiratory droplets (as produced when an infected person coughs or sneezes) are ingested or inhaled by individuals in close proximity. Contact transmission occurs when …

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Signs and Symptoms of COVID-19 with Risk factors

Signs and Symptoms of COVID-19

Coronavirus disease 2019 (COVID-19) is an infectious respiratory tract infection caused by SARS-CoV-2. The disease was first reported from Wuhan, China and has since then, spread globally, causing the 2019-2020 pandemic. The mode of transmission for this disease is through close physical contact and small droplets that develop during coughing, sneezing and even talking. Even though these droplets might be …

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