News Roundup & Comment

Here's your weekly sample from the list of stories Jim presented on this edition of Crosstalk:

--Pfizer is about to seek U.S. authorization for a third dose of the COVID-19 shot saying that another shot within 12 months could dramatically boost immunity.

--Federal health authorities say that individuals who are fully vaccinated against COVID-19 do not need a booster shot at this time.

--Executives for the Tokyo Olympics have now banned spectators from attending the event after a declared state of emergency due to COVID-19 concerns.

--The San Francisco Bay Zoo is inoculating its bears, cats and ferrets against COVID-19.