Infectious Diseases

Get fast, accurate updates about outbreaks and how to protect yourself and loved ones. We focus on safety and action.

Why do I keep getting sick? Woman experiencing fatigue and feeling unwell at home.

Why Do I Keep Getting Sick? Common Causes of Frequent Illness

If it feels like you catch every cold, flu, or stomach bug that goes around, you’re not imagining it. Most healthy adults get somewhere ...

2026 summer COVID-19 wave in the United States with a masked woman in a crowded urban setting and coronavirus particles in the background

Is COVID Coming Back? What the 2026 Summer Wave Means

Is COVID Coming Back in 2026? Yes, COVID-19 activity is increasing again in the United States during summer 2026, but that does not mean ...

H1N1 swine flu symptoms in India showing a sick woman with a tissue and influenza virus illustration

Swine Flu (H1N1): Symptoms, Spread & When to Seek Care

H1N1, commonly called swine flu, is a strain of influenza A that causes the same core symptoms as regular seasonal flu: sudden fever, cough, ...

Qdenga Dengue Vaccine

Qdenga Dengue Vaccine: How It Works, Efficacy & Side Effects

What Is Qdenga? Qdenga is a live, attenuated (weakened) vaccine made by Takeda that protects against all four dengue virus serotypes with a single ...

Ebola virus disease

What Is Ebola? Symptoms, Causes & Treatment

Ebola (Ebola virus disease, or EVD) is a rare but severe illness caused by a group of viruses called orthoebolaviruses, which trigger high fever, ...

Tick-Borne

Anaplasmosis Tick-Borne Disease: Symptoms & Treatment

Anaplasmosis is a tick-borne disease that spreads through the bite of an infected tick. It can cause flu-like illness, and symptoms often start about ...

Burning When You Pee

Burning When You Pee? Here’s What Dysuria Could Mean

Burning When You Pee? Burning, stinging, or pain when you urinate is called dysuria, and it’s most often caused by a urinary tract infection ...

Cyclospora Foods to Avoid

Cyclospora Foods to Avoid: 2026 Outbreak & Taco Bell Update

Cyclospora Foods to Avoid Right now, “foods to avoid” falls into two categories: produce linked to the 2026 outbreak (to prevent getting sick), and ...

Cyclosporiasis

Cyclosporiasis Symptoms: Early Signs, Causes, Treatment, and Prevention

Cyclospora Outbreak 2026 The CDC and FDA have confirmed that shredded iceberg lettuce served at Taco Bell is linked to the worst Cyclospora outbreak ...