A 34-year-old man in Delhi with no history of foreign travel has tested positive for monkeypox virus, making it the fourth case of the infection in India and the first in the national capital.

The man had recently attended a party in Himachal Pradesh's Manali, official sources said adding he was admitted to the Maulana Azad Medical College Hospital in New Delhi around three days ago after he showed symptoms of monkeypox, reports our New Delhi correspondent.

Read more: Monkeypox spread now qualifies as a "global emergency", WHO says

His samples were sent to the National Institute of Virology (NIV) in Pune on Saturday which came out positive, the sources said.

"Contact tracing process has been initiated," they added.

Three cases of monkeypox had earlier been reported from the southern state of Kerala.

WHO on Saturday declared monkeypox as a global public health emergency of international concern.

Other than India, one case of monkeypox has been detected from Thailand in the South-East Asia region.