Directions: Read the passage given below carefully and then answer the questions that follow. 

A _____(1)______ top public health official who was part of the team that led the Trump administration’s response to Covid-19 has said he believes the ____(2)_____ pathogen “escaped” from the Chinese virology lab in Wuhan.

Robert R Redfield, who headed the Centers for Disease Control and Prevention (CDC) in the Trump administration, made this explosive claim as a “point of view”, without citing any evidence, and also went on to say that he believes the virus ____(3)_____ to humans in September-October 2019, way before the first cases were detected in December that year.

Redfield made these claims in an ____(4)_____ to CNN for a programme that airs later on Friday. “If I was to guess, this virus started transmitting somewhere in September, October in Wuhan,” Redfield said.

“I am of the point of view that I still think the most likely aetiology of this pathogen in Wuhan was from a _____(5)_____, you know, (it) escaped,” Redfield went on to say, but acknowledged problems with that claim in the same breath.