India breaks global record for highest number of daily COVID-19 infections By Yasemin Saplakoglu India reported 312,731 new COVID-19 infections on Thursday, the highest single-day increase ever reported worldwide.
UK researchers will deliberately reinfect people with COVID-19 in new 'challenge study' By Rachael Rettner All of the participants will be quarantined and monitored closely.
US drug overdose deaths surged during COVID-19 lockdowns By Yasemin Saplakoglu U.S. overdose deaths surged during the first half of the COVID-19 pandemic, according to preliminary data from the CDC.
Trained dogs can smell coronavirus in your pee By Yasemin Saplakoglu Dogs can sniff out SARS-CoV-2 in urine samples with 96% accuracy, according to a proof-of-concept study.
COVID-19 booster shots may be needed within 12 months, US officials say By Nicoletta Lanese People vaccinated against COVID-19 may require booster shots within nine to 12 months of their initial vaccination.
Leaving middle seat empty lowers COVID-19 spread on planes, modeling suggests By Stephanie Pappas Leaving middle seats empty on airplanes helps reduce COVID exposure to passengers, a new CDC study finds.
US may pause J&J coronavirus vaccines due to rare cases of blood clots By Yasemin Saplakoglu The CDC and FDA are recommending a pause in administering the J&J vaccine to investigate reports of 6 cases of rare blood clots.
Can vaccinated people still spread COVID-19? Huge study tackles question By Nicoletta Lanese The trial will take place at 21 U.S. universities.
UK coronavirus variant not more deadly, just spreads more easily, studies find By Rachael Rettner The findings contradict some early research from U.K. health officials.
Antibody cocktail helps prevent coronavirus infections in same households By Yasemin Saplakoglu A monoclonal antibody cocktail developed by Regeneron reduced risk of developing symptomatic COVID-19 by 81% in household contacts living with a positive case, company said.
Pfizer requests FDA authorization for its COVID-19 vaccine in kids 12 to 15 By Rachael Rettner The company hopes to make the vaccine available to the age group before the start of the fall school year.
Quick guide: COVID-19 vaccines in use and how they work By Nicoletta Lanese Here's a guide to the vaccines being used in different countries.
People are taking an animal deworming drug for COVID-19, and it's a really bad idea By Rachael Rettner Misinformation about ivermectin has led some people to take the drug for COVID-19.
AstraZeneca COVID-19 vaccine causes very rare blood clots, EU regulator says By Nicoletta Lanese Other COVID-19 vaccines have not been linked to such clotting disorders.
Pfizer's COVID-19 vaccine effective after 6 months and works against problem variant By Nicoletta Lanese The developers gave an update from their ongoing clinical trial.
Pfizer vaccine is 100% effective in preventing COVID-19 in children ages 12 to 15 By Yasemin Saplakoglu Pfizer and BioNTech plan to submit the clinical trial data to the FDA as soon as possible.
Pfizer and Moderna COVID-19 vaccines are 90% effective in 'real-world' study By Rachael Rettner Two doses of either vaccine were 90% effective at preventing infections, and a single dose was 80% effective.
Ex-CDC director believes COVID-19 escaped from a lab, but cites no evidence By Rachael Rettner Many experts have rejected that theory as unlikely.
Pfizer starts COVID-19 vaccine trial in young kids By Rachael Rettner Pfizer is the latest COVID-19 vaccine maker to test its shot in young children.
COVID-19 vaccines are safe and effective in pregnancy, new study shows By Nicoletta Lanese Protection also passes to the fetus through the placenta and to newborns through breast milk.
