0
     

Report Added
Report already added
Respiratory Tract Infection Treatment Market - Global Outlook and Forecast 2022-2028

Respiratory Tract Infection Treatment Market - Global Outlook and Forecast 2022-2028

This report contains market size and forecasts of Respiratory Tract Infection Treatment in Global, including the following market information:

Global Respiratory Tract Infection Treatment Market Revenue, 2017-2022, 2023-2028, ($ millions)
Global top five companies in 2021 (%)
The global Respiratory Tract Infection Treatment market was valued at million in 2021 and is projected to reach US$ million by 2028, at a CAGR of % during the forecast period.
The U.S. Market is Estimated at $ Million in 2021, While China is Forecast to Reach $ Million by 2028.
Antibiotics Segment to Reach $ Million by 2028, with a % CAGR in next six years.
The global key manufacturers of Respiratory Tract Infection Treatment include Abbott, AstraZeneca, Abbvie, Boehringer Ingelheim, Cipla Pharmaceutical, GlaxoSmithkline, Pfizer, Merck and Novartis, etc. In 2021, the global top five players have a share approximately % in terms of revenue.
MARKET MONITOR GLOBAL, INC (MMG) has surveyed the Respiratory Tract Infection Treatment companies, and industry experts on this industry, involving the revenue, demand, product type, recent developments and plans, industry trends, drivers, challenges, obstacles, and potential risks.

Total Market by Segment:
Global Respiratory Tract Infection Treatment Market, by Type, 2017-2022, 2023-2028 ($ millions)
Global Respiratory Tract Infection Treatment Market Segment Percentages, by Type, 2021 (%)
Antibiotics
NSAIDS
Cough Suppressant
Nose Decongestant
Others
Global Respiratory Tract Infection Treatment Market, by Application, 2017-2022, 2023-2028 ($ millions)
Global Respiratory Tract Infection Treatment Market Segment Percentages, by Application, 2021 (%)
Hospital
Clinic
Global Respiratory Tract Infection Treatment Market, By Region and Country, 2017-2022, 2023-2028 ($ Millions)
Global Respiratory Tract Infection Treatment Market Segment Percentages, By Region and Country, 2021 (%)
North America
US
Canada
Mexico
Europe
Germany
France
U.K.
Italy
Russia
Nordic Countries
Benelux
Rest of Europe
Asia
China
Japan
South Korea
Southeast Asia
India
Rest of Asia
South America
Brazil
Argentina
Rest of South America
Middle East & Africa
Turkey
Israel
Saudi Arabia
UAE
Rest of Middle East & Africa

Competitor Analysis
The report also provides analysis of leading market participants including:
Key companies Respiratory Tract Infection Treatment revenues in global market, 2017-2022 (estimated), ($ millions)
Key companies Respiratory Tract Infection Treatment revenues share in global market, 2021 (%)
Further, the report presents profiles of competitors in the market, key players include:
Abbott
AstraZeneca
Abbvie
Boehringer Ingelheim
Cipla Pharmaceutical
GlaxoSmithkline
Pfizer
Merck
Novartis
Roche
Sanofi
Teva
Table of Contents

1 Introduction to Research & Analysis Reports
1.1 Respiratory Tract Infection Treatment Market Definition
1.2 Market Segments
1.2.1 Market by Type
1.2.2 Market by Application
1.3 Global Respiratory Tract Infection Treatment Market Overview
1.4 Features & Benefits of This Report
1.5 Methodology & Sources of Information
1.5.1 Research Methodology
1.5.2 Research Process
1.5.3 Base Year
1.5.4 Report Assumptions & Caveats
2 Global Respiratory Tract Infection Treatment Overall Market Size
2.1 Global Respiratory Tract Infection Treatment Market Size: 2021 VS 2028
2.2 Global Respiratory Tract Infection Treatment Market Size, Prospects & Forecasts: 2017-2028
2.3 Key Market Trends, Opportunity, Drivers and Restraints
2.3.1 Market Opportunities & Trends
2.3.2 Market Drivers
2.3.3 Market Restraints
3 Company Landscape
3.1 Top Respiratory Tract Infection Treatment Players in Global Market
3.2 Top Global Respiratory Tract Infection Treatment Companies Ranked by Revenue
3.3 Global Respiratory Tract Infection Treatment Revenue by Companies
3.4 Top 3 and Top 5 Respiratory Tract Infection Treatment Companies in Global Market, by Revenue in 2021
3.5 Global Companies Respiratory Tract Infection Treatment Product Type
3.6 Tier 1, Tier 2 and Tier 3 Respiratory Tract Infection Treatment Players in Global Market
3.6.1 List of Global Tier 1 Respiratory Tract Infection Treatment Companies
3.6.2 List of Global Tier 2 and Tier 3 Respiratory Tract Infection Treatment Companies
4 Market Sights by Product
4.1 Overview
4.1.1 by Type - Global Respiratory Tract Infection Treatment Market Size Markets, 2021 & 2028
4.1.2 Antibiotics
4.1.3 NSAIDS
4.1.4 Cough Suppressant
4.1.5 Nose Decongestant
4.1.6 Others
4.2 By Type - Global Respiratory Tract Infection Treatment Revenue & Forecasts
4.2.1 By Type - Global Respiratory Tract Infection Treatment Revenue, 2017-2022
4.2.2 By Type - Global Respiratory Tract Infection Treatment Revenue, 2023-2028
4.2.3 By Type - Global Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
5 Sights by Application
5.1 Overview
5.1.1 By Application - Global Respiratory Tract Infection Treatment Market Size, 2021 & 2028
5.1.2 Hospital
5.1.3 Clinic
5.2 By Application - Global Respiratory Tract Infection Treatment Revenue & Forecasts
5.2.1 By Application - Global Respiratory Tract Infection Treatment Revenue, 2017-2022
5.2.2 By Application - Global Respiratory Tract Infection Treatment Revenue, 2023-2028
5.2.3 By Application - Global Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
6 Sights by Region
6.1 By Region - Global Respiratory Tract Infection Treatment Market Size, 2021 & 2028
6.2 By Region - Global Respiratory Tract Infection Treatment Revenue & Forecasts
6.2.1 By Region - Global Respiratory Tract Infection Treatment Revenue, 2017-2022
6.2.2 By Region - Global Respiratory Tract Infection Treatment Revenue, 2023-2028
6.2.3 By Region - Global Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
6.3 North America
6.3.1 By Country - North America Respiratory Tract Infection Treatment Revenue, 2017-2028
6.3.2 US Respiratory Tract Infection Treatment Market Size, 2017-2028
6.3.3 Canada Respiratory Tract Infection Treatment Market Size, 2017-2028
6.3.4 Mexico Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4 Europe
6.4.1 By Country - Europe Respiratory Tract Infection Treatment Revenue, 2017-2028
6.4.2 Germany Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4.3 France Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4.4 U.K. Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4.5 Italy Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4.6 Russia Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4.7 Nordic Countries Respiratory Tract Infection Treatment Market Size, 2017-2028
6.4.8 Benelux Respiratory Tract Infection Treatment Market Size, 2017-2028
6.5 Asia
6.5.1 By Region - Asia Respiratory Tract Infection Treatment Revenue, 2017-2028
6.5.2 China Respiratory Tract Infection Treatment Market Size, 2017-2028
6.5.3 Japan Respiratory Tract Infection Treatment Market Size, 2017-2028
6.5.4 South Korea Respiratory Tract Infection Treatment Market Size, 2017-2028
6.5.5 Southeast Asia Respiratory Tract Infection Treatment Market Size, 2017-2028
6.5.6 India Respiratory Tract Infection Treatment Market Size, 2017-2028
6.6 South America
6.6.1 By Country - South America Respiratory Tract Infection Treatment Revenue, 2017-2028
6.6.2 Brazil Respiratory Tract Infection Treatment Market Size, 2017-2028
6.6.3 Argentina Respiratory Tract Infection Treatment Market Size, 2017-2028
6.7 Middle East & Africa
6.7.1 By Country - Middle East & Africa Respiratory Tract Infection Treatment Revenue, 2017-2028
6.7.2 Turkey Respiratory Tract Infection Treatment Market Size, 2017-2028
6.7.3 Israel Respiratory Tract Infection Treatment Market Size, 2017-2028
6.7.4 Saudi Arabia Respiratory Tract Infection Treatment Market Size, 2017-2028
6.7.5 UAE Respiratory Tract Infection Treatment Market Size, 2017-2028
7 Players Profiles
7.1 Abbott
7.1.1 Abbott Corporate Summary
7.1.2 Abbott Business Overview
7.1.3 Abbott Respiratory Tract Infection Treatment Major Product Offerings
7.1.4 Abbott Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.1.5 Abbott Key News
7.2 AstraZeneca
7.2.1 AstraZeneca Corporate Summary
7.2.2 AstraZeneca Business Overview
7.2.3 AstraZeneca Respiratory Tract Infection Treatment Major Product Offerings
7.2.4 AstraZeneca Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.2.5 AstraZeneca Key News
7.3 Abbvie
7.3.1 Abbvie Corporate Summary
7.3.2 Abbvie Business Overview
7.3.3 Abbvie Respiratory Tract Infection Treatment Major Product Offerings
7.3.4 Abbvie Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.3.5 Abbvie Key News
7.4 Boehringer Ingelheim
7.4.1 Boehringer Ingelheim Corporate Summary
7.4.2 Boehringer Ingelheim Business Overview
7.4.3 Boehringer Ingelheim Respiratory Tract Infection Treatment Major Product Offerings
7.4.4 Boehringer Ingelheim Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.4.5 Boehringer Ingelheim Key News
7.5 Cipla Pharmaceutical
7.5.1 Cipla Pharmaceutical Corporate Summary
7.5.2 Cipla Pharmaceutical Business Overview
7.5.3 Cipla Pharmaceutical Respiratory Tract Infection Treatment Major Product Offerings
7.5.4 Cipla Pharmaceutical Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.5.5 Cipla Pharmaceutical Key News
7.6 GlaxoSmithkline
7.6.1 GlaxoSmithkline Corporate Summary
7.6.2 GlaxoSmithkline Business Overview
7.6.3 GlaxoSmithkline Respiratory Tract Infection Treatment Major Product Offerings
7.6.4 GlaxoSmithkline Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.6.5 GlaxoSmithkline Key News
7.7 Pfizer
7.7.1 Pfizer Corporate Summary
7.7.2 Pfizer Business Overview
7.7.3 Pfizer Respiratory Tract Infection Treatment Major Product Offerings
7.7.4 Pfizer Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.7.5 Pfizer Key News
7.8 Merck
7.8.1 Merck Corporate Summary
7.8.2 Merck Business Overview
7.8.3 Merck Respiratory Tract Infection Treatment Major Product Offerings
7.8.4 Merck Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.8.5 Merck Key News
7.9 Novartis
7.9.1 Novartis Corporate Summary
7.9.2 Novartis Business Overview
7.9.3 Novartis Respiratory Tract Infection Treatment Major Product Offerings
7.9.4 Novartis Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.9.5 Novartis Key News
7.10 Roche
7.10.1 Roche Corporate Summary
7.10.2 Roche Business Overview
7.10.3 Roche Respiratory Tract Infection Treatment Major Product Offerings
7.10.4 Roche Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.10.5 Roche Key News
7.11 Sanofi
7.11.1 Sanofi Corporate Summary
7.11.2 Sanofi Business Overview
7.11.3 Sanofi Respiratory Tract Infection Treatment Major Product Offerings
7.11.4 Sanofi Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.11.5 Sanofi Key News
7.12 Teva
7.12.1 Teva Corporate Summary
7.12.2 Teva Business Overview
7.12.3 Teva Respiratory Tract Infection Treatment Major Product Offerings
7.12.4 Teva Respiratory Tract Infection Treatment Revenue in Global Market (2017-2022)
7.12.5 Teva Key News
8 Conclusion
9 Appendix
9.1 Note
9.2 Examples of Clients
9.3 Disclaimer

List of Tables
Table 1. Respiratory Tract Infection Treatment Market Opportunities & Trends in Global Market
Table 2. Respiratory Tract Infection Treatment Market Drivers in Global Market
Table 3. Respiratory Tract Infection Treatment Market Restraints in Global Market
Table 4. Key Players of Respiratory Tract Infection Treatment in Global Market
Table 5. Top Respiratory Tract Infection Treatment Players in Global Market, Ranking by Revenue (2021)
Table 6. Global Respiratory Tract Infection Treatment Revenue by Companies, (US$, Mn), 2017-2022
Table 7. Global Respiratory Tract Infection Treatment Revenue Share by Companies, 2017-2022
Table 8. Global Companies Respiratory Tract Infection Treatment Product Type
Table 9. List of Global Tier 1 Respiratory Tract Infection Treatment Companies, Revenue (US$, Mn) in 2021 and Market Share
Table 10. List of Global Tier 2 and Tier 3 Respiratory Tract Infection Treatment Companies, Revenue (US$, Mn) in 2021 and Market Share
Table 11. By Type – Global Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2021 & 2028
Table 12. By Type - Respiratory Tract Infection Treatment Revenue in Global (US$, Mn), 2017-2022
Table 13. By Type - Respiratory Tract Infection Treatment Revenue in Global (US$, Mn), 2023-2028
Table 14. By Application – Global Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2021 & 2028
Table 15. By Application - Respiratory Tract Infection Treatment Revenue in Global (US$, Mn), 2017-2022
Table 16. By Application - Respiratory Tract Infection Treatment Revenue in Global (US$, Mn), 2023-2028
Table 17. By Region – Global Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2021 & 2028
Table 18. By Region - Global Respiratory Tract Infection Treatment Revenue (US$, Mn), 2017-2022
Table 19. By Region - Global Respiratory Tract Infection Treatment Revenue (US$, Mn), 2023-2028
Table 20. By Country - North America Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2022
Table 21. By Country - North America Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2023-2028
Table 22. By Country - Europe Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2022
Table 23. By Country - Europe Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2023-2028
Table 24. By Region - Asia Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2022
Table 25. By Region - Asia Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2023-2028
Table 26. By Country - South America Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2022
Table 27. By Country - South America Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2023-2028
Table 28. By Country - Middle East & Africa Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2022
Table 29. By Country - Middle East & Africa Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2023-2028
Table 30. Abbott Corporate Summary
Table 31. Abbott Respiratory Tract Infection Treatment Product Offerings
Table 32. Abbott Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 33. AstraZeneca Corporate Summary
Table 34. AstraZeneca Respiratory Tract Infection Treatment Product Offerings
Table 35. AstraZeneca Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 36. Abbvie Corporate Summary
Table 37. Abbvie Respiratory Tract Infection Treatment Product Offerings
Table 38. Abbvie Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 39. Boehringer Ingelheim Corporate Summary
Table 40. Boehringer Ingelheim Respiratory Tract Infection Treatment Product Offerings
Table 41. Boehringer Ingelheim Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 42. Cipla Pharmaceutical Corporate Summary
Table 43. Cipla Pharmaceutical Respiratory Tract Infection Treatment Product Offerings
Table 44. Cipla Pharmaceutical Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 45. GlaxoSmithkline Corporate Summary
Table 46. GlaxoSmithkline Respiratory Tract Infection Treatment Product Offerings
Table 47. GlaxoSmithkline Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 48. Pfizer Corporate Summary
Table 49. Pfizer Respiratory Tract Infection Treatment Product Offerings
Table 50. Pfizer Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 51. Merck Corporate Summary
Table 52. Merck Respiratory Tract Infection Treatment Product Offerings
Table 53. Merck Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 54. Novartis Corporate Summary
Table 55. Novartis Respiratory Tract Infection Treatment Product Offerings
Table 56. Novartis Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 57. Roche Corporate Summary
Table 58. Roche Respiratory Tract Infection Treatment Product Offerings
Table 59. Roche Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 60. Sanofi Corporate Summary
Table 61. Sanofi Respiratory Tract Infection Treatment Product Offerings
Table 62. Sanofi Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)
Table 63. Teva Corporate Summary
Table 64. Teva Respiratory Tract Infection Treatment Product Offerings
Table 65. Teva Respiratory Tract Infection Treatment Revenue (US$, Mn), (2017-2022)

List of Figures
Figure 1. Respiratory Tract Infection Treatment Segment by Type in 2021
Figure 2. Respiratory Tract Infection Treatment Segment by Application in 2021
Figure 3. Global Respiratory Tract Infection Treatment Market Overview: 2021
Figure 4. Key Caveats
Figure 5. Global Respiratory Tract Infection Treatment Market Size: 2021 VS 2028 (US$, Mn)
Figure 6. Global Respiratory Tract Infection Treatment Revenue, 2017-2028 (US$, Mn)
Figure 7. The Top 3 and 5 Players Market Share by Respiratory Tract Infection Treatment Revenue in 2021
Figure 8. By Type - Global Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 9. By Application - Global Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 10. By Region - Global Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 11. By Country - North America Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 12. US Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 13. Canada Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 14. Mexico Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 15. By Country - Europe Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 16. Germany Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 17. France Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 18. U.K. Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 19. Italy Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 20. Russia Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 21. Nordic Countries Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 22. Benelux Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 23. By Region - Asia Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 24. China Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 25. Japan Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 26. South Korea Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 27. Southeast Asia Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 28. India Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 29. By Country - South America Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 30. Brazil Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 31. Argentina Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 32. By Country - Middle East & Africa Respiratory Tract Infection Treatment Revenue Market Share, 2017-2028
Figure 33. Turkey Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 34. Israel Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 35. Saudi Arabia Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 36. UAE Respiratory Tract Infection Treatment Revenue, (US$, Mn), 2017-2028
Figure 37. Abbott Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 38. AstraZeneca Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 39. Abbvie Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 40. Boehringer Ingelheim Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 41. Cipla Pharmaceutical Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 42. GlaxoSmithkline Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 43. Pfizer Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 44. Merck Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 45. Novartis Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 46. Roche Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 47. Sanofi Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)
Figure 48. Teva Respiratory Tract Infection Treatment Revenue Year Over Year Growth (US$, Mn) & (2017-2022)

Report Title: Respiratory Tract Infection Treatment Market - Global Outlook and Forecast 2022-2028


Your Details
Valid Invalid number

SELECT A FORMAT

ADD TO CART BUY NOW