Ha Long Bay was a favourite destination for tourists, welcoming 25,400 international tourists out of the 33,500 to the UNESCO-recognised heritage, the department said. Specifically, there will be over 1.55 million doses of BCG vaccine for Tuberculosis, 1 million doses of Hepatitis B vaccine, 4.98 million doses of oral Polio vaccine (OPV), 1.9 million doses of Measles vaccine; 1.7 million doses of Measles-Rubella vaccine; 1.4 million doses of Japanese Encephalitis vaccine; 1.53 million doses of combined Diphtheria-Pertussis-Tetanus vaccine (DPT); 1.47 million doses of Tetanus vaccine and 1.37 million doses of Tetanus-Diphtheria (TD) vaccine. Airlines like Vietnam Airlines, Bamboo Airways, and Vietravel Airlines offered over 5,300 flights, providing a total of 1.06 million seats. International tourists reached over 46,500, up 86.1 per cent. Specifically, more than 1.5 million doses of tuberculosis vaccine (BCG), one million doses of hepatitis B vaccine, nearly 5 million doses of oral polio vaccine (OPV), 1.9 million doses of measles vaccine, 1.7 million doses of measles-rubella vaccine, 1.4 million doses of Japanese encephalitis vaccine, more than 1.5 million doses of combined diphtheria - pertussis - tetanus (DPT) vaccine, nearly 1.5 million doses of tetanus vaccine, nearly 1.4 million doses of tetanus-diphtheria (Td) vaccine and 549,164 doses of Rota vaccine to prevent acute diarrhea will be soon transported to localities across the country to inject children.