Covid-19 vaccine in 18 months? Experts are skeptical.

Covid-19 vaccine in 18 months? Experts are skeptical. thumbnail
(CNN)Eighteen months might sound like a long time, but in vaccine years, it's a blink. That's the long end of the Trump administration's time window for developing a coronavirus vaccine, and some leaders in the field say this is too fast -- and could come at …

(CNN)Eighteen months might sound like a long time, but in vaccine years, it’s a blink. That’s the long end of the Trump administration’s time window for developing a coronavirus vaccine, and some leaders in the field say this is too fast — and could come at …
Read More