Covid-19 could leave some men with erectile dysfunction, a doctor has warned.
An expert on infectious diseases has said that the deadly virus could impact on patients' performance in the bedroom.
Speaking to NBC Chicago's LX, Dr Dena Grayson said it was a 'real concern'.
She told the news channel: "There is some real concern here that men could have long-term issues of erectile dysfunction from this virus because we know that it causes issues in the vasculature.
"This is something that is of real concern - [it's] not just that this virus can kill you, but can actually cause long-term, lifelong, potentially, complications."
Despite the majority of patients making a full recovery from the disease, Dr Grayson said there will be 'long term negative consequences of infection' for some.
This warning comes after UK became the first country in the world to approve the use of the Pfizer/BioNTech vaccine for mass rollout.
Regulator MHRA says it is safe and will provide up to 95 percent protection against Covid-19, with immunisation to start this week for those classed as high priority.
The government has already ordered doses to vaccinate 20m people.
Speaking following the announcement, Health Secretary Matt Hancock told the BBC: "From next week, we'll be able to start rolling this out.
"We'll start with those who are most vulnerable to coronavirus.
"Once we've protected the most vulnerable it will help us all get back to normal and back to all the things that we love."
Those who receive the vaccination will also be given an ID card to show they have had the jab and to remind them to come in for their follow-up injections.
A photograph of the card has been released ahead of the national rollout of the long-awaited vaccine in the UK.
It comes as the first batch of the Pfizer and BioNTech vaccine arrived at Croydon University Hospital, London, on Saturday (5 December).
This particular vaccine works with two inoculations, 21 days apart.
The photo of the NHS card shows both sides, with space to keep a record of the dates the two jabs required for the vaccine are administered.
A picture of a similar identification card was recently released by the United States Department of Defense, while Welsh health minister Vaughan Gething also announced people there will receive a card after having their vaccination.
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