SARS Wars Thai or Khun krabii hiiroh, also subtitled Bangkok Zombie Crisis is a 2004 Thai horrorcomedy film directed and cowritten by Taweewat Wantha.
Thailands leading health official, Public Health Minister Ratsuda, declares Thailand free of the SARS virus and that Thailands superior technology and medical research will prevent the disease from occurring in the kingdom.However, far away in Africa, there has been an outbreak of a mutant Typestrain of the SARS virus, which causes sufferers to turn into bloodthirsty zombies when they die. A hornet carrying the virus from Africa is hit by an airliner and lands in Thailand. It flies into the open window of a farang driving a Volvo and stings the man on the back of his neck. The man becomes patient zero in the outbreak of SARS 4. He returns to his apartment building and infects others in his building. Among the zombified creatures is a giant Burmese python named Albert. ........
Source: Wikipedia