Statistic shows influenza in Malaysia is seen year-round with no clear seasonal trends1.
Those with flu can spread flu viruses up to 6 feet away2. They also reported inability to resume normal activity for around 3.5 days from the onset of sypmtoms3.
Reference:
1. Jamal, I-Ching Sam. The burden of human influenze in Malaysia. Med J Malaysia Vol. 70, No. 3 June 2015
2. Centers for Disease Control and Prevention, National Center for Immunization and Respiration Diseases (NCIRD). 2017, October 5. How Flu Spreads. Retrieved from https://www.cdc.gov/flu/about/disease/spread.htm.
3. Keech M, Scott AJ, Ryan PJ. The impact of influenze and influenza-like illness on productivity and healthcare resource utilization in a working population. Occup Med (Lond). 1998;48:85-90.