The smallpox vaccine approved by the health ministry in Japan is thought to be 85 per cent effective against monkeypox, health officials said.
The incident took place on Wednesday at the Jain Higher Secondary School in the city during a mega vaccination drive.
The approval is valid in all European Union Member States as well as in Iceland, Liechtenstein, and Norway, Bavarian Nordic said in a statement.
The vaccine approved by CDL reached Palakkad in Kerala last Saturday.
The first batch of the procured vaccine not only lacked the final test reports from the Central Drug Lab (CDL) but have also not completed the preliminary trial to be conducted by its manufacturers.
The doctors termed the incident as a rare tragedy.
In a pilot project exploring ways to monitor COVID-19, University at Buffalo scientists hunted for pharmaceuticals and viral RNA simultaneously in wastewater in Western New York.
Although vaccines initially reduced the risk of infection, the protective effect rapidly waned after a few months – and breakthrough infections were increasingly reported.
While it is true the AstraZeneca vaccine uses a chimpanzee adenovirus vector in its formula, the virus has been mutated to prevent it from growing in human cells.
The safety data for the Pfizer vaccine is based on 1,678 children under age 5 who received a third shot at least two months after the second dose when Omicron was the main variant in circulation.