Pardo de Tavera has served for three decades at QI, where she also specialized in the treatment of pediatric tuberculosis.[4] She was a member of the Board of Directors of the PTS and was appointed as Executive Secretary on April 27, 1973.[7] According to her, she resigned in 1974 for personal reasons.[4] The PTS has declared her position as vacant on May 29, 1974, and appointed Alberto Romulo to the position.[7]
Pardo de Tavera then founded the Alay Kapwa Kilusang Pangakalusugan (AKAP) ("Health Movement of the People, For the People, By the People") with the approval and support of Bishop Julio Labayen. Bishop Labayen offered the space above the garage of the Catholic Bishops Conference of the Philippines in Pasay to be their AKAP's office in its early years.[4] AKAP is an organization of volunteer health workers to teach preventive health care to impoverished communities.[2][6]
In September 1978, Pardo de Tavera presented her research published as "A Model of Supervised Community Participation in the Prevention and Short-term Therapy of TB Among the Poor in Asia" at the 24th Conference of the International Union Against Tuberculosis, held in Brussels, Belgium.[4][8] The research proposed an alternative in providing effective healthcare in poor communities by community based health programs focusing on the prevention of the disease and the training of local residents,[8] activities which are done by AKAP. Pardo de Tavera claims that her research has caused international doctors to get excited in the activities of AKAP, which then led to an organization from The Netherlands to donate an amount equivalent between four and five million pesos.[4]
Because of her community-based approach, Pardo de Tavera was suspected a communist by the authorities.[4] She would then be a militant activist during the martial law era and actively participated in the street protests against the dictatorship of President Ferdinand Marcos.[2][6] She spent four months in the United States to raise funds and joined the organization Women Against Marcos and the Dictatorship.[4]
Pardo de Tavera was appointed by President Corazon Aquino as secretary of social welfare after the ouster of the Marcos dictatorship.[2][6] Under her leadership in the social welfare department, she created the Inspection and Acceptance Committee (IAC) as an internal control system under the principle of check and balance. In 2009, the IAC has been renamed to Inspection Committee.[9] She was also the chairperson of National Nutrition Council Governing Board from 1987 to 1988.[10] She served under the Aquino cabinet until June 30, 1992.
After her stint as secretary, Pardo de Tavera became the Chair of Philippine Charity Sweepstakes Office (PCSO).[2][6] Under her term, Pardo de Tavera was credited for her efforts to settle the case between PCSO and QI, where the former is claiming to be the owner of the latter.[11][12] It was also under her leadership that the Out-Patient Department of QI was renovated and improved.[12]
Pardo de Tavera also became the President of the Philippine Cancer Society (PCS). As president of PCS, she focused on care of cancer patients who are given short term survival by their doctors. In 1991, PCS launched the Hospice Care Program.[2][6]
Aside from writing all the eighty-five educational pamphlets of AKAP[4] and the research paper she presented in Brussels,[8] Pardo de Tavera is also credited in writing the following research and educational materials:
- Pulmonary Schistosomiasis in the Philippines[13] - presented at the International Congress on Diseases of the Chest at Copenhagen, on August 20–25, 1966.
- Tuberculosis in Filipino Children[14] - printed by Lyceum Press, 1975
- The control of Tuberculosis (Ang Pagsugpo sa Tuberkulosis o Tisis): Course of instruction for community health workers (Hanay ng aralin na ukol sa mga manggagawang pampurok na pangkalusugan)[15] - printed by Lyceum Press, 1975
Pardo de Tavera still continued working for AKAP but because of her old age, she cannot go to places requiring long travel. Instead, she continued to train trainer-volunteers in her residence.[4]
In July 1995, Pardo de Tavera turned over a total of 13,000 volumes of books, 1,500 manuscripts, 4,500 correspondences, and 639,000 photos, to Ateneo de Manila, which were originally owned by her grandfather Trinidad, collectively known as the Pardo de Tavera collection. In October 2000, the Pardo de Tavera collection has become a separate section of the Rizal Library.[2]
In 2004, her diamond jubilee year as a doctor, Pardo de Tavera chose her healthcare booklets to best represent her legacy.[8]
On October 23, 2007, Pardo de Tavera died due to leukemia.[2][6]