Virology
You Cannot Get Bird Flu From Pasteurized Milk
By Gertrud U. Rey | | Basic virology, Gertrud Rey
by Gertrud U. Rey Multiple recent outbreaks of “bird flu” in U.S. dairies are raising concerns about whether milk from infected cows is safe to drink. H5N1, the strain of influenza virus causing the outbreaks, is typically transmitted among birds but occasionally spreads to non-avian animals, including mammals. Prior to distribution, commercially sold milk is …
Does Herpes Simplex Virus Cause Alzheimer’s Disease?
By Gertrud U. Rey | | Basic virology, Gertrud Rey
by Gertrud U. Rey Alzheimer’s Disease (AD) is a neurodegenerative disorder and the most common form of dementia. Although its exact cause is unclear, an increasing body of evidence suggests that an infection with herpes simplex virus (HSV) may contribute to onset of AD later in life. Both types of HSV (HSV-1 and HSV-2) infect …
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Dogma Does Not Belong in Science
By Gertrud U. Rey | | Basic virology, Gertrud Rey
by Gertrud U. Rey According to established scientific dogma, infection of cells with HIV-1 leads to delivery of the viral capsid into the cell cytoplasm, followed by “uncoating” of the capsid to release the single-stranded RNA genome. A viral-encoded enzyme called reverse transcriptase then catalyzes the conversion of the viral RNA into a single strand …
Let’s Talk About Measles
By Gertrud U. Rey | | Basic virology, Gertrud Rey
by Gertrud U. Rey Recent news headlines have been featuring multiple outbreaks of measles across the globe, and an announcement from the Centers for Disease Control and Prevention dated January 25, 2024, also reported 23 confirmed cases in the US over the past month. These outbreaks happen every few years and are usually triggered by …
The Problem of Original Antigenic Sin
By Gertrud U. Rey | | Basic virology, Gertrud Rey
by Gertrud U. Rey Once the innate immune system senses a never-seen-before pathogen as new, it engages elements of the adaptive immune response. These adaptive immunity elements coordinate over time to develop a response that protects from re-infection and disease upon a second exposure to the same pathogen. The second exposure will immediately lead to …
A Satellite Takes a Bite of Phage
By Gertrud U. Rey | | Basic virology, Gertrud Rey
by Gertrud U. Rey Satellite viruses lack one or more of the elements needed to replicate, and thus they depend on co-infection with a helper virus that can provide the missing components. In a well-known example of a satellite-helper system, Hepatitis D virus requires the presence of its helper Hepatitis B virus to make copies …
David Tuller
Trial By Error: In Protocol for Long COVID Exercise Trial, Investigators Advocate Lying to Participants
By David Tuller, DrPH Researchers are planning yet another trial of a rehabilitative exercise program for Long COVID—but, in this one, they propose to lie to all the participants about the nature of the study and the intervention being investigated. BMJ Open has recently published a paper called “Pursuing Reduction in Fatigue After COVID-19 via …
Trial By Error: Some Things I’ve Read Recently: Anil van der Zee on Sex, “Mold Warrior” Johnson, and a Rant Against the Word “Journey”
By David Tuller, DrPH Anil van der Zee says “Fuck M.E.” One aspect of ME and ME/CFS that receives perhaps too little attention is the impact on someone’s sex life. Engaging in sexual activity takes a significant amount of energy—and is therefore likely to trigger post-exertional malaise for many with this illness. Especially for those …
Trial By Error: Some Things I’ve Read Recently–Aboriginals and Long COVID, Tips for Disability Claims, Profile of Ron Davis
By David Tuller, DrPH Failure to address Long COVID in Australian Aboriginal communities Croakey Health Media is a small but feisty Australian news outlet that covers social and structural inequities in healthcare. Croakey recently published “a call for action to address Long COVID in Aboriginal communities,” which focused in particular on the situation in the …
Trial By Error: Journalist Simon Spichak on Lack of Focus on Post-Exertional Malaise in Long COVID Exercise Trials
By David Tuller, DrPH According to the headline of a recent article in The Sick Times, “less than 20% of Long COVID trials involving exercise even mention post-exertional malaise.” The news organization analyzed the registration records for Long COVID clinical trials and found that only a small minority assess or take into account post-exertional malaise (PEM), …
Trial By Error: JAMA Touts Long COVID Exercise Trial with Clinically Insignificant Results; Most LC Exercise Trials Ignore PEM, Per Sick Times
By David Tuller, DrPH In its current “Medical News in Brief” section, JAMA is touting and amplifying the questionable claims of a flawed trial to treat or prevent Long COVID published by one of the journals under its umbrella—JAMANetworkOpen. The JAMA headline: “Resistance Training Improves Long COVID Outcomes.” Technically, the headline is true. In the …
Trial By Error: Another Exercise Trial with Clinically Insignificant Findings
By David Tuller, DrPH A recent study from JAMA Network Open, called “Resistance Exercise Therapy After COVID-19 Infection: A Randomized Clinical Trial,” demonstrates some of the flaws that so often mar papers in this field of research. The trial’s reported results do not warrant the optimistic conclusion that the intervention “may be a generalizable therapy …
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