Answer:
a. True
Step-by-step explanation:
In response to the outbreak of a new strain of coronavirus (COVID-19) in China, the United States and other countries have implemented measures to prevent the spread of the virus. These measures may include screening and testing of travelers arriving from China, as well as quarantine and isolation measures for individuals who have been exposed to the virus or are suspected of having it. It is important to note that the situation is rapidly evolving and the specific measures that are in place may change over time. It is recommended that travelers check with the Centers for Disease Control and Prevention (CDC) or other official sources for the most up-to-date information and guidance on travel to and from affected areas.