Oslo: Danish biotechnology company Bavarian Nordic said on Monday the European Commission had given permission for its Imvanex vaccine to be marketed as protection against monkeypox, as recommended last week by the European Medicines Agency (EMA).

The approval comes just one day after the World Health Organization issued a high-level alert declaring the rapidly spreading monkeypox outbreak as a global health emergency.

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Bavarian's vaccine, the only one to have won approval for the prevention of monkeypox disease in the United States and Canada, has in the EU so far only been approved to treat smallpox.

But the company has supplied the vaccine to several EU countries during the current monkeypox outbreak for what is known as "off-label" use. The approval is valid in all European Union Member States as well as in Iceland, Liechtenstein, and Norway, Bavarian Nordic said in a statement.

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Monkeypox virus is transmitted from infected animals to humans via indirect or direct contact. Human-to-human transmission can occur through direct contact with infectious skin or lesions, including face-to-face, skin-to-skin, and respiratory droplets.

Globally, over 16,000 cases of monkeypox have been reported from 75 countries and there have been five deaths so far due to the outbreak.

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In the WHO South-East Asia Region, besides India, one case has been detected from Thailand. India has already had about five monkeypox cases, three of which were from Kerala.