Doubts and concerns about COVID-19 uncertainties on imaging data, clinical score, and outcomes.

Background: COVID-19 is a pandemic disease affecting predominantly the respiratory apparatus with clinical manifestations ranging from asymptomatic to respiratory failure. Chest CT is a crucial tool in diagnosing and evaluating the severity of pulmonary involvement through dedicated scoring systems. Nonetheless, many questions regarding the relationship of radiologic and clinical features of the disease have emerged in multidisciplinary meetings.

[Bacteriophages isolated from smallpox vaccine].

A number of lots of dermal and tissue culture smallpox vaccine was studied for the presence of bacteriophage. The presence of bacteriophage was established in lots of tissue culture vaccine but not in the dermal vaccine. Bacteriophage was detected by a modified method for phage isolation.