The impact of the novel coronavirus on Hong Kong’s tourism sector is unprecedented and the city can hope to start seeing things returning to normal by July, in part by trying to develop new markets, the head of the tourism board told Reuters.

The coronavirus crisis has paralysed the global financial hub’s economy, which was already reeling from months of anti-government protests, with travel restrictions to curb the spread of infection grinding tourism to a halt.

The tourism sector accounts for about 4.5% of Hong Kong’s gross domestic product and employs around 260,000 people.

Cheng was speaking hours before the government announced relief measures worth HK$137.5 billion ($17.7 billion) to help businesses and people crippled by the coronavirus outbreak to stay on their feet.

In a bid to stamp out the disease COVID-19 caused by the virus, Hong Kong leader Carrie Lam has already imposed tough restrictions, including banning all tourist arrivals and prohibiting gatherings of more than four people.

The city’s tourist arrivals plunged 96.4% year-on-year in February to 199,123 visitors, the latest data shows, compared with a 52.7% year-on-year drop in January. The number of mainland visitors fell 97.8% year-on-year in February to 98,804.