But he said religious fiestas in Asia's largest Roman Catholic nation would remain prohibited.
Reports from Manila on Tuesday said the Philippines foreign secretary Teodoro Locsin Jr has apologised for using an obscene phrase, demanding China to get out of the Whitsun Reef.
Vicente Malano, administrator of the government weather agency, said a high pressure area extending from China to Japan was blocking the typhoon from blowing inland.
The escalating feud between Manila and Beijing started after more than 200 Chinese vessels suspected by Philippine authorities to be operated by militias were spotted early last month at Whitsun Reef.
AstraZeneca and the vaccine developed by China-based Sinovac Biotech have been the only COVID-19 vaccines received so far by the Philippines.
President Rodrigo Duterte placed Metropolitan Manila and four outlying provinces, a region of more than 25 million people, under lockdown last week as daily infections breached 10,000.
The resource-rich waterway is also contested by several countries, including the Philippines.
Presidential spokesman Harry Roque held a regular televised news conference Monday where he disclosed that he has been infected but showed no symptoms.
The police were on routine patrol when they were fired upon Monday afternoon by security aides of Catbalogan City Mayor Ronaldo Aquino and killed the Mayor in return fire.
The Philippines is home to most of the world's giant tropical clam species, which are considered threatened in the country as poaching surges.
The Philippines was among the last Southeast Asian countries to receive its first batch of vaccine due to delivery delays although it has reported more than 576,000 infections.
An initial 525,600 doses of COVID-19 vaccine from AstraZeneca were also scheduled to arrive Monday, presidential spokesperson Harry Roque said.
More than 90 residents and employees were taken to hospitals after being exposed to the leaking ammonia, which is used as a refrigerant but could be toxic to people in large amounts, officials said.
The earthquake was felt in nearby cities and provinces in the region, the Philippine Institute of Volcanology and Seismology said.
More than 5,000 people, many of them working as tour guides, fled the small island as the ground shook and the volcano belched dark-gray ash and steam into the sky.