Fauci Says CDC Guidelines Could Loosen By July 4

US health officials, including Dr. Anthony Fauci, express optimism about returning to normalcy by July 4th if vaccination efforts continue and public health measures are gradually eased. Fauci emphasizes the importance of following CDC guidelines to avoid situations like Italy's, where new COVID-19 variants have led to a lockdown.

What did Fauci urge people to continue following?

What caused Italy to begin a new lockdown according to the text?