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The Latest Breaking News from CDC

Rocky Mountain Spotted Fever Kills Within Days and Is Frequently Mistaken for Flu — Tick Season 2026 Is a Critical Window to Know the Warning Signs

Rocky Mountain spotted fever kills 5–10% of patients even with treatment and can be fatal within 3–5 days. Peak season runs May through August. A February 2026 CDC EID study documents 19.8% fatality in pediatric cases. Doxycycline must be started before test results. Here is the full warning.

Medical Daily

Yellow Fever Colombia 2026 Outbreak: 76 Dead Since 2024 with Case Fatality Rate Exceeding 70 Percent as CDC Issues Active Level 2 Travel Notice

Yellow fever in Colombia has killed 76 people since 2024, with case fatality rates exceeding 40–70% in some periods. 35 cases and 18 deaths in 2026 alone. Venezuela also reports an active outbreak. CDC Level 2 travel notice covers Colombia and South America. Here is what travelers need to know.

Medical Daily

Counterfeit Botox Injections Are Sending People to Hospitals in Multiple U.S. States — and the CDC Warns the Risk Is Ongoing

The CDC has an active warning about harmful and potentially fatal reactions from counterfeit Botox and mishandled botulinum toxin injections, documented across multiple U.S. states. A 2024 investigation found 22 hospitalizations, including 4 on ventilators. The CDC warning remains active in 2026.

Medical Daily

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The CDC Now Recognizes Chagas Disease as Endemic in the United States — and an Estimated 300,000 Americans May Have It Without Knowing

The CDC's September 2025 Emerging Infectious Diseases study confirms Chagas disease should be recognized as endemic in the U.S. with human cases in 8 states and kissing bugs in 32. An estimated 300,000 Americans are living with it — most undiagnosed. Here is what residents in the South and Southwest…

Medical Daily

ByHeart Infant Formula Botulism Outbreak Post-Investigation 2026: Root Cause Still Unidentified Despite Genetic Match to Milk Powder Supplier

The FDA and CDC declared the ByHeart infant formula botulism outbreak over on February 26, 2026 after 48 infants were sickened across 17 states. A June 10, 2026 Food Safety Magazine investigation reveals the root cause remains unidentified despite genetic matches to organic whole milk powder. New testing protocols are…

Medical Daily

Hepatitis A Outbreak in Canada Leaves 4 Dead, 142 Hospitalized; CDC Issues Travel Notice as Many Americans Traveling to Canada Remain Unvaccinated.

The CDC issued a hepatitis A travel notice for Manitoba, Canada on June 4, 2026. The outbreak has grown to 658 cases, 142 hospitalizations, and 4 deaths since April 2025. Winnipeg restaurant exposures have been identified. Here is what U.S. travelers need to know before visiting Canada.

Medical Daily

Deadly New Sedative Found in Street Drugs Across 18 States; Experts Warn Naloxone Alone Cannot Reverse Its Effects

The CDC issued a Health Advisory on April 2, 2026 warning that medetomidine, a veterinary sedative, is now detected in fentanyl samples across 18 states and D.C. Detections rose 3,000% between 2023 and 2025. Naloxone does not reverse its effects, and withdrawal can cause life-threatening hypertension.

Medical Daily

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The Age You Lost Your Virginity May Define How You Age In Later Life, Study Reveals

Researchers in China found that earlier intimate activity may affect people’s aging process.

Bored Panda

Data is not enough: from Covid to measles, America must relearn risk communication

The confusion over hantavirus and Ebola is a reminder that we must do better at explaining how to respond to an outbreak

The Guardian - US

Diphtheria Outbreak 2026: CDC Issues New Sub-Saharan Africa Travel Alert Covering 7 Countries with Over 20,000 Cases and 1,252 Deaths in 2025

The CDC issued a new diphtheria travel alert for Chad, Guinea, Niger, Nigeria, Mali, Mauritania, and Somalia on June 2, 2026. WHO documented 20,412 suspected cases and 1,252 deaths in Africa in 2025. Here is what travelers and unvaccinated Americans need to know.

Medical Daily

Invasive Group A Strep Remains at Near-Record Levels in 2026, and Homeless Shelters Are Now Documented Outbreak Amplifiers, CDC Reports

Invasive Group A Streptococcus (iGAS) hit a 20-year high in 2023 and remains elevated in 2026. A new CDC Emerging Infectious Diseases study (June 2026) documents a shelter-linked outbreak in Chicago with 41 cases and 2 deaths. Here is the full picture.

Medical Daily

Mpox Clade I Has Spread Beyond Africa and Is Now Circulating Locally in Europe. The CDC Expects More U.S. Cases — and the Vaccine Gap Is Getting Harder to Ignore.

More than 20 clade I mpox cases have been confirmed in the U.S. as of June 2026. The CDC now expects additional cases as local clade Ib transmission has been detected in Europe among men who have sex with men with no travel history to Africa. JYNNEOS vaccine uptake lags…

Medical Daily

Whooping Cough Is Still Killing Americans in 2026, and California, Washington, Ohio, and Florida Are Leading a Surge That Is Far from Over

Whooping cough hit its highest U.S. case count in more than a decade in 2024 and 2025, killing infants and adults. In 2026, California leads the nation with nearly 700 cases. Falling vaccination rates, waning immunity, and public health cuts are driving the surge. Here is the full picture.

Medical Daily

Americans Are Still in Nebraska Quarantine from the Cruise Ship Hantavirus Outbreak. Here Is the Latest on the Most Unusual U.S. Health Emergency of 2026.

The CDC's June 11, 2026 situation update on the M/V Hondius Andes hantavirus outbreak: 10 Americans remain at the Nebraska Quarantine Unit, 8 have returned home for monitoring, and a separate Washington State hantavirus case has been reported. Full timeline and what it means for travelers.

Medical Daily

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Medical Daily

The Antibiotic Last Line of Defense Against Gonorrhea Just Lost More Ground: WHO Data Shows Sixfold Resistance Rise and U.S. Is Running Out of Options

WHO EGASP data show ceftriaxone resistance in gonorrhea rose more than sixfold globally from 2022 to 2024. Ceftriaxone is the only U.S.-recommended gonorrhea treatment. New pipeline drugs show promise but are not yet approved.

Medical Daily

Tuberculosis Cases in the United States Remain at Alarming 14-Year High Despite Slight 2025 Dip — Four States Report Double-Digit Surges and the Elderly Are at Growing Risk

CDC 2025 provisional data: 10,260 U.S. tuberculosis cases, the fourth consecutive elevated year. New Hampshire doubled its cases. Adults 65+ are the only age group with rising rates. Full breakdown of states and risk factors.

Medical Daily

Dengue Cases Spike in Florida: Miami-Dade Under Mosquito Alert as CDC Reports 359% National Surge Ahead of Peak Season

CDC confirms 359% rise in U.S. dengue activity as Miami-Dade County remains under mosquito-borne illness alert in June 2026. Florida reported 154 locally acquired cases in 2023. Here is what residents need to know.

Medical Daily

Mpox Clade I 2026: 23 U.S. Cases Confirmed, CDC Warns of More as World Cup Increases Travel Risk

CDC confirms 23 clade I mpox cases in the U.S. as of June 2026 — all travel-linked. Historically more severe than clade II. CDC expects additional cases as summer travel and World Cup activity peaks.

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Medical Daily

Ebola Outbreak Reaches 598 Confirmed Cases and 115 Deaths in DRC — U.S. Pledges $220 Million as WHO Emergency Escalates

The 2026 Bundibugyo Ebola outbreak hit 598 confirmed cases and 115 deaths in DRC as of June 8. WHO declared a global emergency. U.S. pledged $220M+ and activated airport screening. No U.S. cases.

Medical Daily

CDC June 2026 Health Outlook: COVID Summer Surge Risk, West Nile Early Season, and Salmonella Moringa Alert

CDC's June 5, 2026 respiratory data shows COVID very low nationally, but a summer surge is possible in South and West. West Nile positive pools confirmed in TX and LA. Salmonella-moringa outbreak expanding to 119 cases.

Medical Daily

Hantavirus Cruise Ship Outbreak 2026: 3 Dead, 10 Americans Still in Quarantine After M/V Hondius Outbreak

The M/V Hondius cruise ship hantavirus (Andes virus) outbreak killed 3 passengers. 18 U.S. passengers quarantined in Nebraska and Atlanta. As of June 11, 10 remain at UNMC. All remain symptom-free.

The Independent UK

OB-GYN group breaks with CDC and issues own vaccine recommendations

The biggest difference involves the COVID-19 vaccine

The Independent UK

Health sleuths are watching for disease threats during the World Cup

Health officials will be on high alert for germs as millions of soccer fans gather for World Cup matches

Medical Daily

Valley Fever Season Peaks in Phoenix This Month: CDC Data Shows Cases Have Doubled Across Arizona and Are Spreading to New Regions

Valley fever cases in Arizona doubled between 2005 and 2022, per the CDC. June–July is peak season in Phoenix. The fungal lung infection is now spreading beyond its historical boundaries.

The Guardian - US

Actor Tyler Mane reveals he is having treatment for rare male breast cancer

Star, 59, of 2000 blockbuster X-Men seeks to raise awareness of condition as he undergoes chemotherapy

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