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WEDNESDAY, Aug. 4, 2021 (HealthDay News) -- All 11 million residents of the city of Wuhan will be tested for COVID-19 after three locally transmitted cases were reported in the city on Monday, Chinese officials said Tuesday.The coronavirus that causes COVID-19 was first detected in Wuhan in 2019."To ensure that everyone in the city is safe, city-wide nucleic acid testing will be quickly launched for all people to fully screen out positive results and asymptomatic infections," Wuhan official Li Qiang said at a news briefing, according to Reuters, CBS News reported.China is using mass testing and lockdowns to battle its largest COVID-19 outbreak in months. Over the last 10 days, 300 cases have been detected in at least 15 provinces. The surge — first detected among airport workers in...

WEDNESDAY, Aug. 4, 2021 (American Heart Association News) -- Like many roller coaster lovers, Brooke O'Connell and her son Declan always threw their hands up in the air during descents."Mom, put your hands up!" he shouted while the two shared a ride on a corkscrew coaster at an amusement park in Orlando.But Brooke couldn't raise her arms. She figured the centrifugal force kept them down.After getting off the ride, Brooke's neck felt a little sore.A week later, back home in Rhode Island, Brooke left a 12-hour shift as a pharmacist and was on her way to dinner with her family. Walking into a restaurant, she called her husband, Michael, to see where they were sitting. She dropped her phone, picked it up and dropped it again. Her older son, Quinn, waved his hands to get her attention, but...

WEDNESDAY, Aug. 4, 2021 (HealthDay News) -- COVID-19 vaccines are helping protect the unvaccinated as the new Delta strain surges across the United States, but experts say its high infectiousness could mean even more people need to take the jab to achieve true herd immunity.Tracking data shows COVID cases aren't spiking as much in places with high vaccination rates as they are in places that are under-vaccinated, said Dr. Ricardo Franco, an associate professor of medicine at the University of Alabama at Birmingham.There are 40 to 50 COVID cases per 100,000 in places where vaccination rates are below 30%, compared with about 15 cases per 100,000 in counties where more than 60% are vaccinated, Franco said."Unvaccinated people are actually benefiting from greater herd immunity protection...

WEDNESDAY, Aug. 4, 2021 (HealthDay News) -- Growing numbers of Americans aren't getting enough iron in their diets most likely due to changes in farming practices and a shift away from red meat, researchers report.The upshot: Rates of iron-deficiency anemia are on the rise."Iron deficiency remains a major public health issue even in a developed country such as the United States," Dr. Ian Griffin and Dr. Marta Rogido wrote in an editorial published along with the new research. They practice at Biomedical Research of New Jersey in Cedar Knolls.Iron helps make hemoglobin, a component of red blood cells that carries oxygen from the lungs to the rest of the body. Anemia results from a drop in red blood cells. It can cause fatigue, pale skin, dizziness and/or weakness, and can lead to other...