In a memorandum, Medialdea said all passengers coming from or who have been to these countries within 14 days shall be prohibited from entering the Philippines from May 7 to 14.
According to the memorandum, arrivals before May 7 who come from or have been to these four countries will be allowed to enter but will be required to be isolated in government-run quarantine facilities for 14 days regardless of a swab test result.
The Philippines earlier banned travelers from India from April 29 to May 14 due to the Covid-19 resurgence there.
Meanwhile, the Philippines' Department of Health (DOH) on Wednesday (Aug 5) reported 5,685 new confirmed cases of Covid-19, bringing the total tally to 1,073,555.
"The low number of cases is due to fewer samples received by the laboratories on Saturday and Sunday," the DOH said in a statement.
The death toll from COVID-19 climbed to 17,800 after 178 more patients died from the coronavirus epidemic in the Southeast Asian country, the DOH said.
The Philippines, which has an about 110 million population, has tested over 11 million people since it was hit by Covid-19 in January 2020.
Philippine Food and Drug Administration (FDA) granted on Wednesday the emergency use authorization for Moderna's vaccine against COVID-19, the seventh vaccine given green light by the regulator. - Xinhua