But so far, this particular virus hasn't changed much since it first appeared.

The virus also changes the file's timestamp to the date and time of infection.

The work also showed that the 1918 virus apparently did not change much as it circled the globe.

The virus must change or go out of business.

This is because the virus changes all the time.

For example, the virus might only change a little bit in about two to three years.

But if the virus then changes a lot, there can be a pandemic.

The virus has changed its characteristics over the past few months.

The virus changes his coloring from green to red.

The virus has changed more than our bodies.