This is the 15716th most frequent Polish word.
szczepionkowych
"Related to vaccines."
The word 'szczepionkowych' is used here as an adjective describing the campaigns that are related to or involving vaccines.
Efekty szczepionkowych kampanii zdrowotnych są widoczne.
The effects of vaccine health campaigns are visible.
In this sentence, 'szczepionkowych' acts as an adjective modifying the noun 'rozwiązania' (solutions), indicating solutions related to vaccines.
W badaniach naukowych skupiono się na rozwiązaniach szczepionkowych.
Scientific studies focused on vaccine solutions.
Here, 'szczepionkowych' is an adjective that describes the technologies being developed, specifying that they pertain to vaccines.