“Pfizer”: A fourth dose of the vaccine may be required to fight “Omicron” 

The chief executive of "Pfizer" company, Albert Borla confirmed that a fourth dose of its vaccine anti-virus "Corona" emerging may be required in the end, amid fears of Pennants "omicron". 

He told the network , "CNN The American BBC, last Wednesday, said, “I previously thought that a fourth dose might be needed 12 months after receiving the third dose, but with “Omicron” this schedule may need to be increased.”. 

"I think we'll need the fourth dose," he said, referring to his previous 12-month schedule. 

He also added: "With "Omicron" we need to wait because we have very little information available about it, there is still a need for more data on the imperative of obtaining the fourth dose.". 

Pfizer's president says:

last Wednesday, Pfizer released data showing that a third dose led to similar levels of antibodies against the “Omicron” mutant, as two doses against the original virus, which led to strong protection.