Rare Syndrome After COVID Vaccines Described

People who experienced rare long-term adverse events after COVID-19 vaccination often had neurologic symptoms, survey data showed. Among 241 people who self-reported a post-vaccination syndrome (PVS), the five most common symptoms were exercise intolerance (71%), excessive fatigue (69%), numbness (63%), brain fog (63%), and neuropathy (63%), reported Harlan Krumholz, MD, of Yale School of Medicine … Read more

7 Early Warning Signs Of An HIV Infection

During the first few weeks of being infected with human immunodeficiency virus (HIV), most people — roughly two-thirds — experience a mix of flu-like symptoms that indicate their body is reacting to the virus. After being exposed to the virus, your immune system jumps into action to get control of the infection and clear it … Read more

Influenza A(H1N2) variant virus infection

On 25 November 2023, the International Health Regulations National Focal Point (IHR NFP) of the United Kingdom of Great Britain and Northern Ireland (United Kingdom) notified the World Health Organization (WHO) of a human case of swine-origin influenza A(H1N2) virus infection. This is the first swine influenza A(H1N2)v case reported in the United Kingdom. Human … Read more

Forget the ‘tripledemic.’ The U.S. is headed for a ‘syndemic’ this winter—and experts warn we’re not prepared

COVID will likely reach levels in December not yet seen this year, combining with surges of flu, RSV, and other pathogens for a winter not so different from last year’s “tripledemic,” experts say. Raj Rajnarayanan, assistant dean of research and associate professor at the New York Institute of Technology campus in Jonesboro, Ark., told Fortune … Read more

Dopamine’s Role in Learning from Rewards and Penalties

Summary: Dopamine, a neurotransmitter, plays a vital role in encoding both reward and punishment prediction errors in the human brain. This study suggests that dopamine is essential for learning from both positive and negative experiences, enabling the brain to adapt behavior based on outcomes. Using electrochemical techniques and machine learning, scientists measured dopamine levels in … Read more

Covid vaccine rates are falling in U.S.

A sign advertises Covid vaccine shots at a Walgreens Pharmacy in Somerville, Massachusetts, on Aug. 14, 2023. Brian Snyder | Reuters Three years into the Covid-19 pandemic, few Americans are rolling up their sleeves to get a Covid vaccine.  Only 15.7% of U.S. adults had received the newest Covid shots from Pfizer, Moderna and Novavax … Read more