Pfizer said it has millions of doses of vaccine sitting in a warehouse because the federal government hasn't told it where to send them

Pfizer released a statement Thursday to deny claims that it was having issues producing its COVID-19 vaccine.  It came after officials in more than a…

Read More Pfizer said it has millions of doses of vaccine sitting in a warehouse because the federal government hasn't told it where to send them

Scientist Katalin Karikó risked her career in pursuit of mRNA vaccines. Her achievement could rescue the world from the pandemic.

Scientist Katalin Karikó struggled for years to convince colleagues that messenger RNA could have disease-fighting applications in humans. In 2005, she found a way to…

Read More Scientist Katalin Karikó risked her career in pursuit of mRNA vaccines. Her achievement could rescue the world from the pandemic.