Evidence-Based Medical Knowledge You Can Trust
Infectious diseases are illnesses caused by bacteria, viruses, fungi, or parasites, spreading through contact, food, water, or vectors.
Medically Reviewed and Compiled by Dr. [Adam N. Khan], MD. Influenza (flu) is an acute viral respiratory illness caused primarily by influenza A and B viruses. It affects millions of people globally each year and ranges from mild, self-limiting illness to severe disease with complications, hospitalization, or death. Understanding the symptoms of flu is critical … Read more
Flu prevention in 2026 focuses on annual vaccination, layered personal protection, early risk identification, and protecting high-risk populations. This guide explains evidence-based strategies, new public-health realities, and practical steps for individuals and families. Introduction: Why Flu Prevention Still Matters in 2026 Influenza remains a major public health issue in the United States. Each year, seasonal … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Summary of Flu B Symptoms (2026) The 2026 Flu B season is characterized by a “sudden hit” of symptoms. Unlike a cold that builds slowly, Flu B often starts with an abrupt fever and extreme fatigue. Key symptoms currently being reported include: Understanding Flu … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer: Is There a Cure for Nipah Virus? As of February 2026, there is no officially licensed “cure” or vaccine for the Nipah virus (NiV). However, medical science has made huge leaps. Treatment currently relies on intensive supportive care to manage symptoms like brain … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer: What to Expect After Your Flu Shot Most people experience mild side effects after a flu shot, which is a normal sign that your body is building protection. The most common issues are soreness, redness, or swelling at the injection site, along with … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. The Quick Answer: What to Expect Most people who get the flu jab will only experience mild, short-lived side effects. The most common symptoms are a sore arm, a slight headache, or a low-grade fever. These usually appear within a few hours and vanish completely … Read more
Measles (rubeola) is far more than a simple childhood rash; it is a highly contagious respiratory infection that can lead to severe, life-altering complications. If you suspect exposure, knowing the timeline and warning signs is critical for both individual care and public safety. The Measles Timeline: A Stage-by-Stage Breakdown A measles infection typically follows a … Read more
With measles cases hitting record highs in recent years, many are asking a critical question: Can you still get measles if you’ve had the vaccine? The short answer is yes, but it is extremely rare. While the measles vaccine is one of the most effective tools in public health history, no vaccine is 100% effective. Here is a … Read more
Measles (rubeola) is a highly contagious viral infection that follows a very predictable, albeit uncomfortable, timeline. While most people recover within 7 to 10 days once symptoms appear, the entire process from exposure to full health can span several weeks. The Measles Timeline: From Exposure to Recovery The disease progresses through four distinct stages: How Long Are … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. The Quick Answer As of February 2026, there is no Nipah virus outbreak in the UK. No cases have ever been reported in the country. While there are active outbreaks in parts of Asia, such as India and Bangladesh, health experts confirm the risk to … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer: How Long Are You Contagious? Most adults with Influenza B are contagious from one day before symptoms appear until five to seven days after they start feeling sick. Children and people with weakened immune systems can remain infectious for 10 days or longer. To be safe, stay … Read more
Medically Reviewed and Compiled by Dr. Adam N. Khan, MD. Quick Answer Yes, measles can cause brain swelling, a condition known as encephalitis. This occurs in about 1 out of every 1,000 measles cases. It can lead to permanent brain damage, hearing loss, or even death. Additionally, a very rare but fatal brain complication called SSPE can develop … Read more
With record-breaking measles activity reported in the U.S. throughout 2025 and into early 2026, many adults are asking a critical question: Am I still protected by the shots I got decades ago? The short answer is yes, almost certainly, but there are rare exceptions you should know about. 1. The Power of Two Doses The current medical gold standard is … Read more
The term superbug refers to a microorganism—most commonly bacteria—that has developed resistance to multiple antimicrobial drugs used to treat infections. In clinical medicine, superbugs are a major public health threat because standard antibiotics become ineffective, leading to prolonged illness, higher medical costs, increased transmission, and elevated mortality risk. Superbugs do not represent a single organism. … Read more
Measles is a highly contagious viral illness caused by the measles virus, a member of the Paramyxoviridae family. Despite widespread vaccination efforts, measles continues to affect children worldwide, including outbreaks in regions with declining immunization coverage. Understanding measles symptoms in children is essential for early recognition, isolation, and prevention of serious complications. In children, measles … Read more