Task 1a ADE tweet classification, Practice
Start: Jan. 1, 2021, midnight
Task 1a ADE tweet classification, Evaluation
Start: Feb. 26, 2021, midnight
Task 1a ADE tweet classification, Post-Eval
Start: March 2, 2021, midnight
Task1b ADE span detection, Practice
Start: Jan. 1, 2021, midnight
Task1b ADE span detection, Evaluation
Start: Feb. 26, 2021, midnight
Task1b ADE span detection, Post-Eval
Start: March 2, 2021, midnight
Task1c ADE resolution, Practice
Start: Jan. 1, 2021, midnight
Task1c ADE resolution, Evaluation
Start: Feb. 26, 2021, midnight
Task1c ADE resolution, Post-Eval
Start: March 2, 2021, midnight
Task2 Russian ADE classification, Practice
Start: Jan. 1, 2021, midnight
Task2 Russian ADE classification, Evaluation
Start: Feb. 26, 2021, midnight
Task2 Russian ADE classification, Post-Eval
Start: March 2, 2021, midnight
Task3a Med Change-Twitter, Practice
Start: Jan. 1, 2021, midnight
Task3a Med Change-Twitter, Evaluation
Start: Feb. 27, 2021, midnight
Task3a Med Change-Twitter, Post-Eval
Start: March 3, 2021, midnight
Task3b Med Change-WebMD, Practice
Start: Jan. 1, 2021, midnight
Task3b Med Change-WebMD, Evaluation
Start: Feb. 27, 2021, midnight
Task3b Med Change-WebMD, Post-Eval
Start: March 3, 2021, midnight
Task4 Adverse Pregnancy, Practice
Start: Jan. 1, 2021, midnight
Task4 Adverse Pregnancy, Evaluation
Start: Feb. 27, 2021, midnight
Task4 Adverse Pregnancy, Post-Eval
Start: March 3, 2021, midnight
Task5 Potential COVID19 Cases, Practice
Start: Jan. 1, 2021, midnight
Task5 Potential COVID19 Cases, Evaluation
Start: Feb. 28, 2021, midnight
Task5 Potential COVID19 Cases, Post-Eval
Start: March 4, 2021, midnight
Task6 COVID19 symptoms, Practice
Start: Jan. 1, 2021, midnight
Task6 COVID19 symptoms, Evaluation
Start: Feb. 28, 2021, midnight
Task6 COVID19 symptoms, Post-Eval
Start: March 4, 2021, midnight
Task7a Classify professions, Practice
Start: Jan. 1, 2021, midnight
Task7a Classify professions, Evaluation
Start: March 1, 2021, midnight
Task7a Classify professions, Post-Eval
Start: March 5, 2021, midnight
Task7b Profession span ext, Practice
Start: Jan. 1, 2021, midnight
Task7b Profession span ext, Evaluation
Start: March 1, 2021, midnight
Task7b Profession span ext, Post-Eval
Start: March 5, 2021, midnight
Task8 Breast cancer classif, Practice
Start: Jan. 1, 2021, midnight
Task8 Breast cancer classif, Evaluation
Start: March 1, 2021, midnight
Task8 Breast cancer classif, Post-Eval
Start: March 5, 2021, midnight