Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 3 years ago

It depends on the way of using the vaccine.

If such vaccine is to be taken orally, it will Haraam to consume it.

But if it is not taken orally but injected in the body or dropped in the nose with out letting it go inside the stomach, then it will be allowed.