COVID-19 Booster Doses: A Multi-Center Study Reflecting Healthcare Providers' Perceptions.

(1) Background: During 2019, the COVID-19 pandemic was threatening healthcare services and workers, and acquiring immunity was an option to stop or limit the burden of this pandemic. Herd immunity was a top priority worldwide as the virus was spreading rapidly. It was estimated that 67% of the total global population should be immunized against COVID-19 to achieve herd immunity.

COVID-19's Psychological Impact on Chronic Disease Patients Seeking Medical Care.

Background: The outbreak has harmed patients with multiple comorbidities and chronic conditions. The pandemic's psychological impact is thought to change their routine of seeking medical care. Research Question or Hypothesis: During COVID-19, patients with chronic conditions may experience anxiety, depression, and stress, and their pattern of seeking medical care may change.