Why some coronavirus strains are more infectious than others

Coronavirus outbreaks have occurred periodically, but none have been as devastating as the COVID-19 pandemic. Vivek Govind Kumar, a graduate student, and colleagues in the lab of Mahmoud Moradi at the University of Arkansas, have discovered one reason that likely makes SARS-CoV-2, the virus that causes COVID-19, so much more…

Misinformation about infectious diseases can be debunked

According to a new doctoral thesis from Karolinska Institutet, misinformation about infectious diseases can be debunked most effectively by first stating the false information and then correcting it with the correct information. All studies in the thesis about risk communication and misinformation in infectious disease outbreaks were conducted in Sierra…

Video: When do the infected become infectious?

The danger posed by a person infected with COVID-19 doesn’t begin the exact moment a few virus particles enter their system, so when do they start to be a health risk to those around them? Penn State Professor Nita Bharti talks about incubation periods, latency periods, and what they mean…