Public health authorities said that 8,662 adverse reactions had been reported among those who received the vaccines by Wednesday morning.
Meanwhile, a total of 14,472 doses have been wasted in the rollout, according to the Polish health ministry.
As of Wednesday, Poland had injected around 11.87 million first doses of COVID-19 vaccines, while almost 4.8 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.
More than 1.7 million doses of these four vaccines are expected to be delivered to the country this week, according to officials.
Teens under 18 have been given the green light to sign up for COVID-19 shots in Poland as the country ramps up its inoculation campaign.
Poland on Wednesday reported 2,344 new coronavirus infections and 329 more deaths, bringing the country's total number of cases during the pandemic to 2,859,261 and fatalities to 72,250.
Source: IAR, gov.pl