Teacher Lilia Guerrero, left, instructs her kindergarten class on social distancing, in Los Angeles. (Genaro Molina/Los Angeles Times via Getty Images) The Centers for Disease Control and Prevention ...

• Multiple studies have concluded that individuals who test positive for COVID-19 can transmit the virus to others, even if they show no symptoms. • There is no consensus estimate on how frequently ...

LOS ANGELES - The U.S. Centers for Disease Control and Prevention has updated its public guidance on how the novel coronavirus spreads, confirming and further explaining that transmission of the virus ...

Cases of several sexually transmitted diseases rose during the first year of COVID-19 pandemic, according to a published report from the Centers for Disease Control and Prevention (CDC), released this ...

COVID-19 is unlikely to be spread through semen, according to University of Utah Health scientists who participated in an international study of Chinese men who recently had the disease. The ...

In a recent study posted to Preprints with The Lancet*, researchers found evidence that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) particles are released directly into the air ...

Fears about people inoculated against COVID-19 exposing those who haven’t gotten a dose of the vaccine, with potentially dangerous consequences, continue to spread online even after they’ve been ...

The CIA has shifted its stance on the origin of Covid-19, saying that the virus was "more likely" leaked from a Chinese lab ...

This week, the World Health Organization finished an investigation into the origin of the COVID-19 pandemic in China. Scientists there believe the coronavirus may sometimes be transmitted through ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...