One infected person can infect dozens of others. Stay informed to stay safe from the most contagious virus known to humans.

Texas’ ongoing measles outbreak is now up to 124 confirmed cases as of Tuesday. That’s the most the state has seen in any year since 1992. The measles outbreak in Texas started in Gaines County, near ...

In the graphics that follow ... We show how the immune system would normally attempt to neutralize virus particles and how CoV-2 can block that effort. We explain some of the virus's surprising ...

The percent of that peak a country currently reports gives us a better idea of how far it is from containing the spread of the virus relative to the worst days of its outbreak. Of every 100 ...

The virus is named for the iconic spikes that project ... Aaron Steckelberg is a senior graphics editor who creates maps, charts and diagrams that provide greater depth and context to stories ...

During respiratory illness season there a more graphic, yet shorter-lasting virus making the rounds especially among kids: Norovirus.What is Norovirus ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Updated Sept. 24 at 11:43 a.m. Data updated on loading... In partnership ...

This side-by-side comparison will hammer the point home if none of the other graphics in this list has. It’s easy to see the impact social distancing has on the overall spread of the virus ...

Numbers and graphics on this page will continue to update ... numbers have become increasingly unreliable measures of the virus’ prevalence in a community, state officials now use COVID-19 ...

On Jan. 21, the first confirmed Covid-19 case in the U.S. was disclosed by the Centers for Disease Control and Prevention, when an infected traveler returned to Washington state from Wuhan, China.

State and county officials say a Stevens County resident has tested positive for measles and that they don’t yet know if the infection is linked to outbreaks elsewhere in the country.