The reduction in deliveries is due to Pfizer limiting output so that it can upgrade production capacity to 2 billion vaccine doses per year from 1.3 billion currently.
"This temporary reduction will affect all European countries. It is as yet not precisely clear how long time it will take before Pfizer is up to maximum production capacity again," the statement reads.
Pfizer said it had to make modifications to the process and facility that will require additional regulatory approvals.
"Although this will temporarily impact shipments in late January to early February, it will provide a significant increase in doses available for patients in late February and March," Pfizer said in a statement.
Meanwhile, Israeli police are investigating the alleged illegal export of the coronavirus vaccine to Ukraine.
"The police are investigating this story and, as far as I know, it has not yet been established whether there was a case of vaccine smuggling from Israel to Ukraine. I am convinced that the investigation will be conducted properly, and if this fact is established - the perpetrators will be brought to justice. In our understanding, this is a serious crime," Director of the International Relations Division in the Ministry of Health of Israel Asher Shalmon said.