A monitor shows the Nikkei stock average rate falling in Tokyo on February 17, 2020 afternoon. ( The Yomiuri Shimbun via AP Images )

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks do shopping on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : Two people wearing masks pose at a street on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A woman wearing mask uses a hand disinfectant as measures at a shopping mall on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A baby wearing a health mask is seen with his mother taking the train on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A man wearing mask is seen at a train on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks are seen at a train station on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : View of the building of the Japan's National Institute of Infectious Diseases (NIID) in Tokyo, Japan, on February 14, 2020. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks walk on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks walk at a station on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A woman wearing mask uses a hand disinfectant as measures at a shopping mall on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks are seen on moving stairway on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A woman wearing mask is seen at a train station on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A couple wearing masks walk at street on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A hand disinfectant is seen as it is used by people as measures on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : A hand disinfectant is used by people on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks walk at streets on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks walk at a station on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : Security forces wearing masks are seen as they take measures on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM

TOKYO, JAPAN - FEBRUARY 11 : People wearing masks buy foods on February 11, 2020, in Tokyo, Japan. Japan still continues to report several case of people infected by the coronavirus Covid-19 since the start of outbreak as well as on board the Diamond Princess cruise ship quarantined in Yokohama Bay for around 15 days. In Tokyo, Japanese citizens, foreign communities and tourists take measure to protect themselves against the Wuhan coronavirus Covid-19 by wearing mask and washing their hands with Hand Disinfectants installed in different places such at the entrance of several department stores, buildings, train stations and subways, in many firm, also in several public restrooms in the capital of Japan. David Mareuil / Anadolu Agency/ABACAPRESS.COM