As the Philippines battles a coronavirus emergency, the main state agency providing funds for patient care and Covid-19 testing could be bankrupt by next year, according to three whistle-blowers who have accused top officials of committing fraud of “pandemic proportions”.The whistle-blowers, two of whom recently resigned from the Philippine Health Corporation (PhilHealth), made the claims against their former bosses during three Senate hearings lasting 28 hours.Senate President Vicente Sotto…