Travelers must show proof of vaccination and a negative test conducted three days prior to travel, said Jeff Zients, head of the White House COVID-19 response team at a virtual press conference
"I think vaccines are fabulous. I myself got vaccinated. I think it's given us a lot of freedom, but I think there's a real potential for government overreach," Cruz said in a video posted on his Twitter account
The key for the Chinese Communist Party lies in the expansion of its vaccines in developing countries and its allies in the Belt and Road initiative. So far, more than 60 countries have received doses of Covid-19 vaccines from Beijing.