Archive for the tag: Virus

A Level Biology Revision "Human Immunodeficiency Virus (HIV)"

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You can find all my A Level Biology videos fully indexed at https://www.freesciencelessons.co.uk/a-level-revision-videos/a-level-biology/

In this video, we look at the Human Immunodeficiency Virus or HIV. First we explore the structure of HIV and see how it is an example of an RNA virus. Next we explore how HIV replicates and how this leads to the symptoms of Acquired Immunodeficiency Syndrome (AIDS). Finally, we look at why we cannot use antibiotics to treat viral diseases such as HIV.

Image credits:

Kaposi’s sarcoma
https://commons.wikimedia.org/wiki/File:Kaposi%27s_sarcoma_lesion.jpg
Photo Credit:Content Providers: CDC/ Dr. Steve Kraus, Public domain, via Wikimedia Commons

Tuberculosis
https://commons.wikimedia.org/wiki/File:Tuberculosis_image1.jpg
bec, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Antibiotics
https://commons.wikimedia.org/wiki/File:Antibiotic_pills.jpg
Maksym Kozlenko, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

Antiretroviral drug
https://commons.wikimedia.org/wiki/File:Once-Daily_Antiretroviral_Treatment_(32514170891).jpg
NIAID, CC BY 2.0 https://creativecommons.org/licenses/by/2.0, via Wikimedia Commons
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The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and over time acquired immunodeficiency syndrome (AIDS)

Dr. Becker Discusses Feline Immunodeficiency Virus (FIV)

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http://healthypets.mercola.com/sites/healthypets/archive/2016/01/10/feline-immunodeficiency-virus.aspx?x_cid=youtube Dr. Karen Becker, a proactive and integrative wellness veterinarian, talks about feline immunodeficiency virus (FIV), a lentivirus, or “slow virus,” that multiplies slowly and has a long incubation period before causing symptoms.

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Hey friends, feline immunodeficiency virus (FIV) is one of the most common diseases in the feline population, often grouped with other viruses like feline leukaemia and feline infectious peritonitis. Today we chat through what fiv is and what it means for your feline furr-iend if they have fiv!
If you stumbled on this video I hope you and your furkids are healthy and well. โค๏ธ

โฐTimestamps
0:00 intro
0:52 what we will cover
1:05 how is feline immunodeficiency virus (fiv) transmitted?
1:54 fiv pathogenesis
3:15 brain break
4:03 can your fiv cat live with other healthy cats at home?
4:27 research paper 1
5:50 research paper 2
6:11 managing your fiv positive cat
7:03 research paper 3
7:60 how I keep my cat, Keith healthy tips and advice

๐Ÿ“– References:
1. Transmission of feline immunodeficiency virus (FIV) among cohabiting cats in two cat rescue shelters (paper 1) https://www.sciencedirect.com/science/article/pii/S1090023314000847
2. Management and multicat household study (paper 2) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4332694/
3. Clinical Findings and Survival in Cats Naturally Infected with Feline Immunodeficiency Virus https://onlinelibrary.wiley.com/doi/full/10.1111/jvim.12120

๐Ÿ“–Other sources:
– FIV QnA video https://youtu.be/0YsQ1PV2Itw?si=SJkjYj2LV2igXVTY
– ABCD guidelines on prevention and management https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7129779/
– https://www.humanesociety.org/news/fiv-positive-cats
– Feline environment guidelines https://journals.sagepub.com/doi/10.1177/1098612X13477537, https://www.cats.org.uk/help-and-advice/home-and-environment/indoor-cats

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Human Immunodeficiency Virus (HIV)

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Human Immunodeficiency Virus (HIV) is quite the infamous virus, which rose to notoriety in the 1980s once it was discovered to be the cause of AIDS, a terrible disorder of the immune system. HIV is a retrovirus, so what does that mean, and how does that make the virus special? What does it do, and precisely how does it cause AIDS? This is good information for anyone to know, so let’s get a closer look now.

Script by Kellie Vinal

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