Public health authorities said that 16,016 adverse reactions had been reported among those who received the vaccines by Monday morning.
Meanwhile, a total of 594,507 doses have been wasted in the rollout, according to the Polish health ministry.
As of Monday, Poland had injected nearly 20.5 million first doses of COVID-19 vaccines, while over 20.1 million people had been fully inoculated, health ministry data showed.
The tally includes two-dose vaccines from Pfizer-BioNTech, Moderna and AstraZeneca as well as Johnson & Johnson's one-shot vaccine.
Poland on Monday reported 9,512 new coronavirus infections and 12 more deaths related to COVID-19, bringing the country's total number of cases during the pandemic to 3,214,023 and fatalities to 78,879.
Meanwhile, third doses of the COVID-19 vaccine were this month made available to all adults in the country.
The booster shot is administered at least six months after full vaccination, using Pfizer-BioNTech and Moderna mRNA vaccines, under rules announced by public health authorities.
Poland's government last month recommended a booster dose of the COVID-19 vaccine for healthcare workers and people over 50.
In late August, people with compromised immune systems were advised to receive a third dose of the vaccine.
By Monday, a total of 1,259,823 booster shots had been administered, while 303,685 people with immunity problems had received a third vaccine dose, government data showed.
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Source: IAR, PAP, gov.pl