"We've been talking to a number of the hotel groups and their numbers are down quite significantly — 30%, 40%, 50%, 60% down on year-over-year figures," in Vietnam, Wyatt said.
Vietnam's department of tourism is prepared for the country to lose billions of dollars as people cancel plans and avoid travel.
"In three months, the estimated direct damage to Vietnam's tourism industry could reach between $3 and $4 billion," a representative for the country's department of tourism said.
Chinese visitors typically make up roughly a third of all international tourists in Vietnam. Recently, that figure has dropped to almost nothing due to China banning travel and Vietnam barring the entry of travelers from areas affected by the outbreak.
Potential visitors from other countries are also avoiding Vietnam, due to concerns about traveling in Asia during the outbreak, according to the department of tourism.