On January 29th local time, as one of the goals of the current US President Biden 100-day new policy, the US Centers for Disease Control and Prevention issued a directive requiring passengers and staff of the bus system nationwide to wear masks, and violators may face criminal punishment.
"Mask Order" is scheduled to come into effect in the early morning of February 1 local time, and there is no specific validity period specified.

Johns Hopkins University Statistics show that as of 16:22 ET on the 30th, the United States has accumulated 26032572 confirmed cases of new coronavirus pneumonia and 438,708 deaths, all of which are the highest in the world. The United States has become the country with the most severe COVID-19 epidemic in the world, and it is urgent to introduce a nationwide epidemic prevention and control policy.
htmlOn the evening of 29, the US Centers for Disease Control and Prevention issued an order that when entering and leaving the United States, people must wear masks, including planes, ships, trains, subways, buses, taxis, carpooling vehicles, etc., must wear masks. In addition, people must also wear masks throughout the journey at public transportation hubs such as stations, airports, and ports. Failure to wear a mask as directed will violate federal law. However, the order does not apply to private cars or commercial trucks driven by separate operators.Also, bus system employees must wear masks. According to the requirements of the CDC, bus system operators should remind and supervise passengers to wear masks. They may refuse passengers who do not wear masks to take transportation or require such passengers to leave the transportation.
Regarding the type and how to wear masks, the US Centers for Disease Control and Prevention pointed out in a statement that disposable mask , reusable masks and homemade masks are both OK, but they must be composed of at least two layers of tightly woven fabrics. They cannot transmit light when facing the light source and do not have a breathing valve. The size of the mask must be able to completely cover the mouth and nose. Using a headscarf instead of a mask, or not wearing a mask while wearing a transparent mask will be prohibited.
There are only a few people and in some special circumstances, people can not wear masks, such as children under two years old, people who cannot wear masks due to illness, and when eating, drinking water and taking medicine for a short period of time.
The US Centers for Disease Control and Prevention stated that the "Mask Order" will take effect at 11:59 pm Eastern Time on February 1, and there is no specific validity period. Violators may face criminal punishment, but the CDC “strongly encourages” voluntarily wearing masks and supports civil punishment measures.
After the outbreak of the new crown epidemic, although health experts repeatedly called for wearing masks in public places, many Americans were unwilling to wear them, masks have become the focus of current controversy over public health and personal freedom in the United States. Wearing a mask to resist the virus is simply difficult to move forward in the United States.
Biden signed a number of orders after being sworn in as US president on the 20th, including the "100-day mask order", which stipulates that people must wear masks in federal government buildings and maintain social distance, urging local governments at all levels to take the same measures, and calls on Americans to insist on wearing masks within 100 days starting from the 20th.

Not long after, American infectious disease expert Fauci also said on the 25th that the variant coronavirus found in the UK by the end of March may become prevalent in the United States and become the main strain of spreading in the United States. It is recommended that people wear double-layer masks to fight the new coronavirus more effectively. It is reported that Biden and Vice President Harris have been wearing double-layer masks for several weeks, but some American medical experts believe that the effectiveness of double-layer masks is uncertain.
Source: Central Committee of the Communist Youth League