Viruses

Half of Saudi Arabia's recent coronavirus cases are among young people who have not been following health guidelines, the country's health ministry confirmed in a study on Wednesday.

As governments around the world scramble to approve a vaccine against the deadly coronavirus, an increasing number of scientists have started administering DIY vaccines to themselves and even their friends and family members.

An unexpectedly positive turn for Brazilian cities once plagued with the coronavirus pandemic is raising questions once more about herd immunity.

Scientists and medical experts have expanded their focus from simply saving the lives of COVID-19 patients to studying the health of survivors.

In an effort to encourage schools to reopen for in-person classes amid the COVID-19 pandemic, the Trump administration has formally designated teachers as essential workers.

Three dozen students at Indiana's Purdue University who attended a party on Wednesday night have been suspended for violating the Purdue's coronavirus safety pledge.

South Korea reported the most new coronavirus cases in months on Friday, spurred by a surge in the capital city of Seoul. 

Hong Kong leader Carrie Lam announced Friday that mass coronavirus testing will commence for the city's residents on Sept. 1, 2020.

As college campuses attempt to safely reopen their doors in the fall, coronavirus contact-tracing apps hoping to gain traction are increasingly turning to tech-savvy students for help.

Melbourne residents can now drive up to 3 miles from their homes to exercise.