Countries around the world are reopening as they battle COVID-19.

A handful of U.S. states have lifted COVID-19 restrictions and other states are also considering it.

Here's how other countries have opened and what reopening may look like in the United States.

AUSTRIA

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* It's mandatory to wear a mask outdoors, on public transportation and at supermarkets.

* Smaller businesses reopen first; most businesses will reopen May 1.

* Restaurants and hotels open in mid-May.

* No major events allowed until the end of June.

* Despite this, many are still staying home.

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* In Hubei province, and in other parts of the country people use a phone app that tracks their information and shows whether they are a COVID-19 risk.

* Body temperature checks are mandatory at public transportation stations. People must wear face masks for the entire journey and passengers are asked to leave an empty seat between them.

* In many places, masks are required anytime you are outside.

* At some restaurants, diners are limited in how many people can be at a table, and some bar sitting face-to-face.

* Many office buildings, apartments, and stores also require temperature checks.

* In Hong Kong, the virus was contained early, but a spike re-emerged and the government ordered people back home and closed facilities that had reopened.

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* Schools are reopened but thousands of parents are still keeping their children at home.

* Hairdressers, tattooists and psychologists are open.

* Churches, cinemas, and shopping centers are still closed.

* Festivals and large events are banned until August 31.

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* The country is divided in three risk zones, white, yellow, and red.

* White zones are for places that haven't seen new infections or deaths for two weeks and lockdowns will be lifted, including for religious services.

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* Businesses must make hand sanitizer available and make sure people use masks in enclosed spaces.

* People can visit relatives and walk in parks.

* Large gatherings such as church services are still banned.

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* Japan reopened schools and allowed public gatherings, but then some locations saw a resurgence of cases and had to declare a state of emergency, including in Tokyo, Yokohama and Osaka.

* School closures and banning non-essential trips will be in place until May 6.

* Barber shops, hardware stores, and other businesses can only open in "green zones" that are free of COVID-19.

* The 24-hour curfew will be reduced to 5 p.m.-9 a.m., except in Mecca where the curfew will remain in place all day.

* Launched a voluntary virus-tracking app letting people know if they were in contact with someone suspected of carrying COVID-19. A survey found more than half of Norwegians would download it.

* South Korea never imposed lockdowns and instead targeted suspected cases using surveillance cameras, cell phones and credit card purchases.

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* Most businesses and schools have stayed open.

* Police work with health officials to track connections between COVID-19 cases.

* Details of infections are made public so people will know if they've come in contact with positive COVID-19 cases.

* But it also saw a surge in cases in foreign worker dormitories and had to add some stricter measures.

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* Police are distributing 10 million masks to public transportation commuters.

* Some industries open, bars and restaurants still closed.

* Children allowed to leave homes with adult supervision between 9 a.m.-9 p.m., but they can't go to playgrounds.

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