Filipino journalist and Rappler CEO Maria Ressa speaks to the media after testifying before the Court of Tax Appeals in Quezon City, Metro Manila, Philippines, March 4, 2021. REUTERS/Eloisa Lopez

Filipino journalist and Rappler CEO Maria Ressa speaks to the media after testifying before the Court of Tax Appeals in Quezon City, Metro Manila, Philippines, March 4, 2021. REUTERS/Eloisa Lopez

Filipino journalist and Rappler CEO Maria Ressa arrives at the Court of Tax Appeals to testify in tax evasion cases against her and Rappler, in Quezon City, Metro Manila, Philippines, March 4, 2021. REUTERS/Eloisa Lopez

A military officer gestures after being vaccinated with Sinovac Biotech’s Coronavac during the vaccination of Philippine military at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez

A health worker shows a vial of Sinovac Biotech’s Coronavac during the vaccination of Philippine military at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez

Media surround a military officer as she gets vaccinated with Sinovac Biotech’s Coronavac during the vaccination of Philippine military at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez

A health worker shows a vial of Sinovac Biotech’s Coronavac during the vaccination of Philippine military at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS / Eloisa Lopez

An army nurse prepares to inject Sinovac Biotech’s Coronavac during the vaccination of Philippine military at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez

Philippine Army Commanding General Jose Faustino Jr., gets vaccinated with Sinovac Biotech’s Coronavac, at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez

Philippine Army Commanding General Jose Faustino Jr., gets vaccinated with Sinovac Biotech’s Coronavac, at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS / Eloisa Lopez

Philippine military officer gets vaccinated with Sinovac Biotech’s Coronavac, at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez REFILE - CORRECTING INFORMATION

A Philippine military officer shows his sticker indicating that he has received COVID-19 vaccine, after being injected with Sinovac Biotech’s CoronaVac at the national headquarters of the Philippine Army in Fort Bonifacio, Taguig City, Metro Manila, Philippines, March 2, 2021. REUTERS/Eloisa Lopez REFILE - CORRECTING INFORMATION TPX IMAGES OF THE DAY

A health worker prepares to inoculate another health worker with Sinovac Biotech's Coronavac vaccine for the coronavirus disease (COVID-19), at the Marikina Sports Center, in Marikina City, Metro Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

Health workers prepare to inoculate fellow health workers with Sinovac Biotech's Coronavac vaccine for the coronavirus disease (COVID-19), at Sta. Ana Hospital, in Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

Health workers prepare to inoculate fellow health workers with Sinovac Biotech's Coronavac vaccine for the coronavirus disease (COVID-19), at the Marikina Sports Center, in Marikina City, Metro Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

Health workers wait for the vaccination against the coronavirus disease (COVID-19) to begin, at the Marikina Sports Center, in Marikina City, Metro Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

A health worker prepares a syringe with the Sinovac Biotech's Coronavac vaccine for the coronavirus disease (COVID-19), at Sta. Ana Hospital, in Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

A health worker receives her first dose of Sinovac Biotech's Coronavac vaccine for the coronavirus disease (COVID-19), at the Marikina Sports Center, in Marikina City, Metro Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

A health worker shows a vial and a box of Sinovac Biotech's Coronavac vaccine for the coronavirus disease (COVID-19), at the Marikina Sports Center, in Marikina City, Metro Manila, Philippines, March 2, 2021. REUTERS/Lisa Marie David

A military medical professional prepares a syringe with the Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

A military medical professional receives her first dose of Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

A military medical professional prepares a syringe with Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

A military medical professional receives her first dose of Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

Military medical professionals wait for the vaccination to start during the first day of vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

A military medical professional receives his first dose of Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

A military medical professional takes a picture as he receives his first dose of Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

A military medical professional receives her first dose of Sinovac Biotech's CoronaVac vaccine for the coronavirus disease (COVID-19) during the launch of the vaccination drive, at the Victoriano Luna Medical Center, in Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Lisa Marie David

Philippines' Health Secretary Francisco Duque vaccinates a health worker with Sinovac Biotech's CoronaVac vaccine on the first day of the country's coronavirus disease (COVID-19) inoculation drive, at Lung Center of the Philippines, Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Eloisa Lopez

Health workers stage a protest calling for free, safe, and most efficacious coronavirus disease (COVID-19) vaccines, as the government kicks off its COVID-19 vaccination campaign with Sinovac Biotech's CoronaVac vaccines, outside the Lung Center of the Philippines, Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Eloisa Lopez

Hospital workers join a protest calling for free, safe, and most efficacious coronavirus disease (COVID-19) vaccines from the gates of the Lung Center of the Phillipines where the government kicked off its COVID-19 vaccination campaign with Sinovac Biotech's Coronavac vaccines, at Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Eloisa Lopez

A health worker holds a placard calling for free, safe, and most efficacious coronavirus disease (COVID-19) vaccines during a protest, as the government kicks off its COVID-19 vaccination campaign with Sinovac Biotech's CoronaVac vaccines, outside the Lung Center of the Philippines, Quezon City, Metro Manila, Philippines, March 1, 2021. REUTERS/Eloisa Lopez

A health worker gets vaccinated with Sinovac Biotech's Coronavac on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

A health worker is injected with Sinovac Biotech's Coronavac on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

A health worker prepares to inject Sinovac Biotech's Coronavac on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

A health worker gets vaccinated with Sinovac Biotech's Coronavac on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

A health worker holds a vial of Sinovac Biotech's Coronavac vaccine on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

A health worker receives the Sinovac Biotech's Coronavac vaccine on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

Philippines' Health Secretary Francisco Duque vaccinates a health worker with Sinovac Biotech's Coronavac on the first day of the coronavirus disease (COVID-19) inoculation drive in the Philippines, at the Lung Center of the Philippines, Quezon City, Metro Manila, March 1, 2021. REUTERS/Eloisa Lopez

Philippine President Rodrigo Duterte and Chinese Ambassador Huang Xilian attend the arrival ceremony for the first shipment of coronavirus disease (COVID-19) vaccines to arrive in the country from Sinovac Biotech at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

A worker unloads a box of Sinovac Biotech's CoronaVac vaccines against the coronavirus disease (COVID-19) from a Chinese military aircraft at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

A worker unloads a box of Sinovac Biotech's CoronaVac vaccines against the coronavirus disease (COVID-19) from a Chinese military aircraft at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Workers in hazmat suits disinfect boxes of Sinovac Biotech's CoronaVac vaccine against coronavirus disease (COVID-19) after unloading them from a Chinese military aircraft at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

The Chinese military aircraft containing boxes of Sinovac Biotech's CoronaVac, the first shipment of coronavirus disease (COVID-19) vaccines to arrive in the Phillippines, arrives at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Philippine President Rodrigo Duterte speaks during the arrival ceremony for the first COVID-19 vaccines to arrive in the country, at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Philippine President Rodrigo Duterte and Chinese Ambassador Huang Xilian walk away from a Chinese military aircraft carrying the first batch of Sinovac Biotech's CoronaVac, the first shipment of coronavirus disease (COVID-19) vaccines to arrive in the country, at Villamor Air Base, Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Philippine President Rodrigo Duterte and Chinese Ambassador Huang Xilian check a vial of Sinovac Biotech's CoronaVac vaccine during the arrival ceremony for the first shipment of coronavirus disease (COVID-19) vaccines to arrive in the country, at Villamor Air Base, Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

The first shipment of coronavirus disease (COVID-19) vaccines from Sinovac Biotech arrives on a Chinese military aircraft at Villamor Air Base, Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Workers in hazmat suits disinfect a box containing Sinovac Biotech's CoronaVac vaccine against the coronavirus disease (COVID-19) after unloading it from a Chinese military aircraft at Villamor Air Base, Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Philippine President Rodrigo Duterte holds a vial of Sinovac Biotech's CoronaVac as the first shipment of coronavirus disease (COVID-19) vaccine arrives in the country, at Villamor Air Base, Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Boxes of Sinovac Biotech's CoronaVac vaccine against the coronavirus disease (COVID-19) arrive in a Chinese military aircraft at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Workers load boxes with Sinovac Biotech's CoronaVac on a truck, the first shipment vaccines against the coronavirus disease (COVID-19) to arrive in the country, at Villamor Air Base in Pasay, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Philippine President Rodrigo Duterte holds a vial of Sinovac’s coronavirus disease (COVID-19) vaccine, the first COVID-19 vaccine to arrive in the country, at Villamor Air Base, Pasay City, Metro Manila, Philippines, February 28, 2021. REUTERS/Eloisa Lopez

Local officials wearing face masks and face shields as protection against the coronavirus disease (COVID-19) stand near a community quarantine checkpoint in a village under local lockdown, in Pasay, Metro Manila, Philippines, February 25, 2021. REUTERS/Lisa Marie David

A signage blocks a street where positive and suspected cases of COVID-19 are identified, in a village under local lockdown, in Pasay, Metro Manila, Philippines, February 25, 2021. REUTERS/Lisa Marie David

A woman wearing a face mask and a face shield as protection against the coronavirus disease (COVID-19) checks her temperature at a community quarantine checkpoint, in Pasay, Metro Manila, Philippines, February 25, 2021. REUTERS/Lisa Marie David

A man wearing a face mask and a face shield as protection against the coronavirus disease (COVID-19) enters a disinfection booth at a community quarantine checkpoint, in Pasay, Metro Manila, Philippines, February 25, 2021. REUTERS/Lisa Marie David

A local official wears a face mask and a face shield as protection against the coronavirus disease (COVID-19) near a community quarantine checkpoint in a village under local lockdown, in Pasay, Metro Manila, Philippines, February 25, 2021. REUTERS/Lisa Marie David

A man wears a face mask and a face shield as protection against the coronavirus disease (COVID-19) near a community quarantine checkpoint in a village under local lockdown, in Pasay, Metro Manila, Philippines, February 25, 2021. REUTERS/Lisa Marie David

Workers wearing face masks as protection from the coronavirus disease (COVID-19) disinfect a bench at a historical site, in Manila, Philippines, February 18, 2021. REUTERS/Lisa Marie David

People wearing face masks and face shields as protection from the coronavirus disease (COVID-19) sit on benches at a newly reopened historical site, in Manila, Philippines, February 18, 2021. REUTERS/Lisa Marie David