<s>[INST] The next text is a question of a member of the European parliament:"1.Can the Commission please describe the utility of serology tests in light of the recommendations of the Infectious Diseases Society of America (IDSA)(1) ?2.Can the Commission explain what it is doing to assist the Member States in acquiring fast, inexpensive and accurate antigen tests to be used in hospitals, care homes, airports, cruise terminals, universities, schools, offices, factories, etc. with a view to helping the economy to get back on its feet?  (1)https://www.idsociety.org/practice-guideline/covid-19-guideline-serology/"
Analyze carefully the text and assign it to the most relevant policy area among those listed below. Do not explain your answer and return only a number.
Policy area numbers: 1 = Macroeconomics
2 = Civil Rights, Minority Issues and Civil Liberties
3 = Health
4 = Agriculture and Fisheries
5 = Labour, employment and pensions
6 = Education
7 = Environment
8 = Energy
9 = Immigration
10 = Transportation
12 = Law and Crime
13 = Social welfare
14 = Regional and Urban issues and Planning
15 = Banking, finance and domestic commerce issues
16 = Defence
17 = Space, science, technology, and communications issues
18 = Foreign trade
19 = International affairs and foreign aid
20 = Governance and government
21 = Public Lands, Water Management and Territorial Issues
23 = Culture and media
[/INST]. Answer = [3]. </s>
1.Can the Commission please describe the utility of serology tests in light of the recommendations of the Infectious Diseases Society of America (IDSA)(1) ?2.Can the Commission explain what it is doing to assist the Member States in acquiring fast, inexpensive and accurate antigen tests to be used in hospitals, care homes, airports, cruise terminals, universities, schools, offices, factories, etc. with a view to helping the economy to get back on its feet?  (1)https://www.idsociety.org/practice-guideline/covid-19-guideline-serology/