Keep your computer and other devices safe from viruses and other harmful software with these top-rated antivirus programs.

From viruses to spyware, we break down the key differences so you know exactly what you're dealing with.

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

The COVID-19 pandemic yielded important advances in testing for respiratory viruses, but it also exposed important unmet needs in screening to prevent the spread of infections in high-risk settings.