Fox-news/health/infectious-disease

• Researchers locked flu patients in a hotel with healthy adults — no one got sick - Groundbreaking flu transmission study reveals zero infections despite close contact between healthy volunteers and flu-positive students for two weeks.
• CDC reports first cruise norovirus outbreak this year, as nearly 90 people are infected - Nearly 90 passengers and crew fell ill with norovirus on Holland America's Rotterdam cruise ship during a Dec. 28-Jan. 9 voyage, according to CDC reports.
• Measles cases confirmed at four major US airports across country amid peak holiday travel - Health officials confirmed measles exposure at four major airports as the CDC reported over 2,000 cases nationwide this year, prompting urgent public advisories.
• Flu hospitalizations hit all-time weekly high in densely populated state, officials warn - New York reports record flu hospitalizations and cases, with a rise of nearly 1,000 in a single week. Health experts urge immediate vaccination as a new variant spreads.
• Deadly 'superbug' is spreading across US as drug resistance grows, researchers warn - Researchers discover possible weakness in deadly hospital superbug C. auris that could lead to new treatments for the drug-resistant fungal infection.
• World's most contagious virus detected at two major US airports amid holiday traffic - A case of measles was detected at Newark airport in New Jersey during holiday travel — and at Logan in Boston. Health officials urge travelers to contact healthcare providers as needed.
• Record-breaking flu numbers reported in New York state, sparking warnings from officials - New York reports record flu surge with over 71,000 cases in one week - the highest since tracking began in 2004. Health officials urge vaccination.
• Flu by state: Where this season’s highly contagious variant is spreading the most - A highly contagious flu mutation called subclade K is sweeping the nation, raising health concerns about vaccine effectiveness this season. Here are the states at most risk.
• Ancient plague mystery cracked after DNA found in 4,000-year-old animal remains - Scientists discover Bronze Age plague DNA in 4,000-year-old sheep remains, shedding light on how ancient diseases spread between animals and humans across Eurasia.
• Major measles outbreak leads to hundreds quarantined in US county, officials say - A South Carolina measles outbreak reaches 111 cases in Spartanburg County, with 254 quarantined. Health officials urge vaccination as the best way to prevent spread.