S.

About a fast rollout of rapidly developed cove in 19 vaccines.

That's according to a new Reuters Ipsos poll, and it presents a potential challenge toe efforts to immunize the public.

The survey, conducted in the first week of December, showed that 35% of women said they were not very or not at all interested in getting a vaccine Onley.

55% of women said they were very or somewhat interested in getting vaccinated.

That's a fall since a similar poll back in May.

Meanwhile, 68% of men said they would get vaccinated, which is unchanged from May.

Overall, only 61% of Americans said they're open to getting vaccinated.

That's a 4% drop since the spring poll.

Convincing women to accept the vaccine will be critical to slowing the spread of the virus, according to a behavioral scientist.

That's because mothers tend to be the ones who make doctor's appointments and keep up with immunizations.

60% of the women who were not interested said they were nervous about getting vaccinated right away with a new vaccine that has been approved so quickly.

More than a third of those questions said they weren't interested in a covert vaccine because they don't trust the companies making them, and 27% said they don't think it vaccine will adequately protect them.