Photo/Illutration Kanagawa prefectural officials set up a sign asking visitors not to enter the beach at the entrance of Shonan Beach Park in Fujisawa, Kanagawa Prefecture, on April 23 in an effort to curb the spread of infections. (Shinnosuke Ito)

Japan marked a new daily high of 29 coronavirus-related deaths, bringing the total to 328, according to government figures recorded on April 23.

In Nagasaki Prefecture, officials confirmed the prefecture's first death associated with the novel coronavirus.

Officials reported 436 more people have been confirmed infected, raising Japan's total number of cases to 12,428--excluding passengers aboard the Diamond Princess cruise ship. The count is as of 11:30 p.m. on April 23.

Hokkaido reported 45 more cases of COVID-19, the most it has recorded in a single day.

Tokyo added 134 cases and six more deaths, raising the death toll in the capital to 87. Among those who died was popular actress Kumiko Okae. She was 63. 

Health officials could not track the path of infection for 85 of those people contracted the virus.

Twenty-six of the new patients are in their 30s, making up the biggest age group, followed by 23 people in their 40s and 18 people in their 20s.

In Yokohama, Kikuna Memorial Hospital confirmed three doctors and two physical therapists have the virus. The hospital had already reported three other doctors had been infected.

Across another three hospitals in the city, one male doctor and four female nurses contracted the virus.