DOH raises alert as PH finds more Delta variant cases of COVID-19 | Inquirer News
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DOH raises alert as PH finds more Delta variant cases of COVID-19

/ 05:30 AM June 22, 2021
Rosario Vergeire

DOH Undersecretary and spokesperson Maria Rosario Vergeire. FILE PHOTO

MANILA, Philippines — As four new cases of the highly infectious Delta variant of the coronavirus were detected in the country, the Department of Health (DOH) placed border controls on “heightened alert” to block further transmissions.

“We will uphold the directive of the IATF (Inter-Agency Task Force for the Management of Emerging Infectious Diseases) and the President because we want to prevent further the entry of this Delta variant,” Health Undersecretary Maria Rosario Vergeire said in a media briefing on Monday.

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“All are on heightened alert. All LGUs (local government units) were informed to be on guard against the Delta variant across all borders. We cannot have nonuniformity in the implementation of our border control,” she stressed.

Four Delta variant cases were detected from the 45 COVID-19 samples analyzed by the Philippine Genome Center (PGC) last week. All four are returning Filipinos; three have recovered and only one remains in the hospital.

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A total of 17 Delta variant cases have so far been detected in the country; 15 have recovered, one has died while one is still ill.

First detected in India late last year, the Delta variant is becoming the dominant COVID-19 variant globally since it appears to be more transmissible, according to the World Health Organization.

Studies showed that people infected with the Delta variant could be more likely to be hospitalized, but there is no evidence that it is more deadly than the other strains.

According to Vergeire, the Delta variant is believed to be 60 percent more transmissible than the contagious Alpha variant first detected in the United Kingdom late last year. An Alpha-positive person can infect four to five persons, while a Delta-positive one can infect eight persons, she explained.

The government has banned the entry of travelers from India, Pakistan, Nepal, Bangladesh, Sri Lanka, Oman and the United Arab Emirates until June 30 to prevent the entry of the Delta variant.

The DOH urged local governments to strictly comply with quarantine protocols for all international arrivals. This calls for a 10-day hotel quarantine and a swab test done on Day 7 upon arrival. If tested negative, the traveler will continue to quarantine at home for four days.

But an infectious diseases expert said the Philippines need not shut its borders to inbound passengers with travel history in countries with reported cases of the Delta variant, but rather strictly implement local quarantine procedures.

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Dr. Rontgene Solante said the Delta strain was still not the dominant one in the Philippines, despite the addition of four new cases in the country.

But in the absence of a more extensive genomic surveillance of the COVID variants in the Philippines, Solante said, “it is very important to monitor all these incoming [travelers] especially if they come from countries where … the India variant [is already] the dominant variant.”

‘Improved version’

According to a study published by the medical journal Eurosurveillance, Solante said 64 countries investigated “expected the [Delta variant] to rapidly outcompete other variants and become the dominant circulating [SARS-CoV-2] lineage over the coming months.”

“This is something that we need to closely monitor [as there is] new evidence that this Delta variant is 60 percent more transmissible [than the]UK (Alpha) variant,” Solante said in a television interview on Monday.

In a Viber message, Solante said the Delta variant has “characteristics” or mutations in the spike protein that make it “more stable” in a person’s upper respiratory tract, resulting in more virus potentially expelled into the air or passed on to another person.

He said studies had also described the Delta variant as an “improved version” of the Alpha variant.

Genome study

Out of the 45 COVID-19 samples analyzed last week, the PGC detected 39 highly contagious variants (including the four Delta variants).

The DOH called for strengthening quarantine protocols, testing, and isolation at all borders and localities, strict adherence to public health standards, and vaccination to minimize transmission of COVID-19 and prevent the emergence of variants.

It, however, would not conclude that infectious COVID-19 variants were the main driver of the surge of cases in the Visayas and Mindanao. “With the speed (of transmission) we can suspect this, but we have no strong evidence,” Health Undersecretary Abdullah Dumama said in the briefing.

All three regions in the Visayas and five regions in Mindanao are experiencing a growth of cases. “They have been showing a positive two-week growth rate, thus we need to intensify our responses,” Dumama said.

According to the DOH, three of the four detected Delta variant cases are seafarers from the MV Eastern Hope, which is currently docked in South Korea.

The three crew members have been to Japan and South Korea where they tested positive for COVID-19 and were repatriated on June 3. Two of them have been discharged while the third is still in a Metro Manila hospital.

The fourth is a migrant worker who returned from Saudi Arabia on May 24 and recovered on June 10.

In its latest sequencing, the PGC detected 14 more cases of the Alpha variant that was first detected in the United Kingdom, and 21 more cases of the Beta variant that was first found in South Africa.

Twelve of the Alpha variant cases are local cases while there was no immediate information on the rest. Two of the cases have died while 12 have recovered.

The DOH said 20 of the 21 Beta variant cases are local cases; there is no information on the other one. Only one remains an active case.

The PGC also reported one case of the Theta variant first detected in the Philippines, though this is not tagged a variant of concern. The patient has recovered.

On Monday, 5,249 more COVID-19 cases were reported, pushing the total to 1,364,239. Eight laboratories did not submit test results, the DOH said.

The department declared 7,053 infected people as recovered, bringing total recoveries to 1,284,643.

On the other hand, 128 more people succumbed to COVID-19, including 45 people who were previously tagged as recoveries, for a total of 23,749 deaths.

There are still 55,847 active cases, including 62 who were previously tagged as recoveries.

Of the active cases, 91.4 percent are mild, 4.1 percent asymptomatic, 1.32 percent moderate, 1.9 percent severe and 1.3 percent critical.

—WITH REPORTS FROM MARICAR CINCO, JEROME ANING AND VINCENT CABREZA
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TAGS: COVID-19 Delta variant, DoH
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