By HANA BORDEY, GMA News Published May 12, 2021 10:05am Updated May 12, 2021 10:56am Health Secretary Francisco Duque III on Wednesday said the COVID-19 India variant in two OFWs had not been passed on further prior to its detection, citing strict border protocols being implemented. “Our border control is very strict ... that is why we are able to quarantine them because we comply with the isolation, testing, quarantine protocols," Duque said in an ANC interview when asked if he was sure that the India variant was not transmitted prior to detection. “It’s impossible that they had exposed others without our authorities knowing [it]," Duque pointed out.