President Trump issued a call to action and the FDA put out a public service announcement asking people who’ve had COVID-19 to help in the fight against the virus.

“We’ve really seen a huge increase in the demand for convalescent plasma for our local hospitals,” said Veronica Moore, the Vice President of Organizational Relations with Carter BloodCare.

She said as the number of cases hit new highs in North Texas this month, the need for plasma also grew.