From 13 to 17 July 2020, two training courses were provided for all ten district hospitals in Thanh Hoa, one course for hospitals participating in the control group, and one course for hospitals in the intervention group.

The course provided participants with information on VCAPS, and its procedures. Spirometry technique was introduced and practised with the support of Dr Erick Huang through online channel. After the courses, the run-in and recruitment process will start right afterwards. From Bach Mai hospital, Dr Giap has shared updated knowledge on COPD/asthma for doctors at primary health facilities.

After the training, the run-in process has started. VCAPS team, in collaboration with doctors of Thanh Hoa Lung hospital visited each hospital, set up the site and test the recruitment process.