Passengers of an international flight pass by thermal scanner as they arrive on Monday at the Ninoy Aquino International Airport.
There are currently 11 thermal scanners in international airports and some local airports to identify arriving passengers with fever.
Meanwhile, the swine flue virus outbreak already affected airline traffic to and from Mexico and the US after passengers were advised to defer or delay trips to Mexico City.
The World Health Organisation has warned that the virus has the potential to develop into a pandemic. Mexico's health minister Jose Angel Cordova has told journalists the number of deaths in Mexico has already risen to 108 from 81 and there are 1614 cases of swine flu reported in the country with about 400 of those people now in hospital.
There are also 20 confirmed cases in the USA and suspected cases in France, Spain, Israel, New Zealand and the UK.