President Trump has issued a new Executive Order extending the current ban on immigrant visas for those outside the United States, as well as barring entry of new classes of nonimmigrant visas, namely H-1B, H-2B, L, and J visas (and their family members). The stated reason for the order is the unemployment of U.S. workers in the United States due to the COVID-19 outbreak. You can read the rest of the article here