Southwest Airlines, which mainly flies domestic routes in the US, said it is witnessing a significant decline in travel demand and an increase in flight cancellations.

Restaurants, entertainment venues and other retail industries that rely on consumption and customer traffic in the US are also realizing the risk of gloom.

Many big names in various industries are also starting to make an impact.

Facebook and Amazon announced the closure of their offices in Seattle.

`Workers can’t do everything from home, and you’re going to see a loss of output that may never be produced,` said Diane Swonk, Chief Economist at Grant Thornton.

Made inside a factory in the US.

The question is whether the impact of Covid-19 will spread to other sectors.

The US economy was already on solid footing before Covid-19 spread.

Then, nCoV came to America.

Service providers’ business activity fell in February for the first time since October 2013, according to an IHS Markit survey.

The consumer sentiment index, published by the University of Michigan, increased throughout the month of February. However, one-fifth of respondents in the closing days of the survey were more worried about the epidemic.

Last week, American investors also realized the dangers ahead.

On March 6, President Donald Trump signed an emergency spending bill worth $8.3 billion to fight Covid-19, including funding for vaccine development efforts and supporting response states.

Megan Greene, an economist at Harvard Kennedy University, said that a larger fiscal response is needed to protect the economy, such as income tax cuts and more direct support for businesses.

White House economic adviser Larry Kudlow said the administration is considering timely and targeted measures to help affected workers and industries.

Ms. Swonk forecasts that US economic growth will decrease to 0.5% in the first half of the year, slowing down significantly compared to 2.3% last year.

`There will be a pretty sharp decline in economic activity,` Ms. Megan Greene agreed.