Anthony Fauci on Tuesday appeared before a Congressional budget committee
Fauci defended the spending of $600,000 on the Wuhan laboratory
Scientists now believe it is possible that COVID-19 escaped from the Wuhan lab
Fauci said the money, to be spend over five years, was 'modest'
He denied again that the cash was spent on 'gain of function' research
The controversial experiments make viruses more deadly or transmissible
On May 11 Fauci and Rand Paul sparred over how the U.S. funding was spent
Fauci insisted it was not spent on 'gain of function'; Paul said it was
Trump on Tuesday reacted with delight at people now believing 'lab leak'