CRP and COVID-19: Also, CRP in unvaccinated COVID‐19 patients in the 3rd wave (6.14 ± 3.27) was significantly higher than CRP in vaccinated (2.83 ± 2.21, pv = 0.0005) and unvaccinated COVID‐19 patients (3.67 ± 2.60, pv = 0.01) during the 4th wave of the pandemic (Figure 1B).