Infectious diseases and exposure

Wondering how a recent infection or exposure might affect your ability to donate? Find clear answers on eligibility, wait times and what to do next.

If you have been diagnosed with mpox (monkeypox virus) infection you cannot donate until 4 weeks after you have fully recovered.

If you have had close contact such as sexual contact with a mpox case or you have been notified by public health that you are considered a high or medium risk contact, you cannot donate for 4 weeks after your last exposure. If you have been vaccinated other…

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You will be able to donate 12 months after you have completed treatment. Our test for syphilis looks for antibodies, which remain present even after the infection is treated. This means that after treatment people will still test positive for syphilis for many years. Because of this, you will only be able to donate plasma when you return to donate – the processing involved in making the many…

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Yes, as long as there’s no broken skin or local infection around the wart.

Yes, as long as you’re feeling well and the rash is completely clean and dry, you can donate plasma straight away. In fact, the plasma you donate after you recover is full of valuable antibodies (proteins that your body makes to fight infections) that can be used to help people at risk of shingles or chicken pox.

Four weeks after…

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Yes, provided you aren’t suffering a current episode. Any lesions from a recent episode must be clean and dry. You can donate between episodes, though.

If you’ve had contact with someone who has active genital herpes, you’ll be able to donate two weeks after your last contact.

It depends on the type of hepatitis you had.

Hepatitis A and B:

Hepatitis is an inflammation of the liver caused by infection (like the hepatitis A or B viruses) or an unknown cause. Once you have made a full recovery, you will need to wait at least 6 months following hepatitis A infection, or 12 months following hepatitis B infection before you donate. When you…

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Yes. You can donate blood two weeks after you have fully recovered from glandular fever.

If you had ‘yellow jaundice' or hepatitis associated with glandular fever, you won’t be able to donate for 12 months. When you donate again, make sure you let the interviewer know so they can request some extra tests, just to be safe.

If you’ve had contact with the saliva of someone who had…

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Yes, but not until eight weeks after contact. If you’ve visited a country where there is Ebola, please look up the country on our travel page for more information.

Yes, but you need to wait at least four months after you recover before donating.

Yes, if you aren’t suffering a current episode. Any cold sores from a previous episode must be clean and dry.

Yes, you’ll just need to wait two weeks and five days after completing treatment.

You can donate plasma as soon as you’ve recovered but you’ll need to wait four weeks before you can give blood. You’re recovered when all your spots are completely clean and dry and you’re feeling well. Your plasma can provide valuable antibodies (blood proteins your body makes to fight infections) for people at risk of chicken pox.…

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