Bob Costas promises not to get pink eye at Rio 2016
Brian Spurlock / Reuters

Unlike the 2014 Winter Olympics in Sochi, Bob Costas assured viewers a bout with pink eye is not on the horizon in Rio de Janeiro.

The distinguished broadcaster joined NBC morning show "Today" and promised host Matt Lauer problems with pink eye are behind him as he gets set to work the Summer Olympics in Rio as the network's prime-time host.

Costas was plagued by the infection during the Sochi Olympics when he appeared during an NBC broadcast with both eyes seemingly infected:

He was eventually forced to take a number of days off to recover, but was unable to prevent the infection from becoming a trending topic on Twitter.

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Bob Costas promises not to get pink eye at Rio 2016
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