Financial Data and Key Metrics Changes - Q1 revenues were $100 million with a net loss of $1 billion, reflecting the seasonal nature of the respiratory vaccine business [7] - Cash and investments at the end of the quarter totaled $8.4 billion, down from $9.5 billion at the end of Q4 [16] - Net product sales were $86 million, primarily driven by COVID vaccine sales, with total revenue for the quarter at $108 million, a 35% decrease year over year [13][16] - R&D expenses were $856 million, a 19% decrease year over year, while SG&A expenses were $212 million, down 23% year over year [14][15] Business Line Data and Key Metrics Changes - The U.S. accounted for about one-third of total sales, with lower vaccination rates compared to Q1 last year due to the transition of COVID into routine seasonal vaccination patterns [12][13] - Cost of sales represented 104% of net product sales this quarter, up from 58% in the prior year, driven by lower volume and revenue mix [14] - The oncology portfolio was expanded with the Checkpoint Medicine program, which is expected to drive future sales growth [10][26] Market Data and Key Metrics Changes - The company received approvals for its vaccines in multiple international markets, including Australia, Taiwan, the UK, and Switzerland, enhancing its competitive position [9] - The company anticipates a total addressable market of over $30 billion for its upcoming product approvals [40] Company Strategy and Development Direction - The company is focused on three priorities: driving sales for approved products, advancing its late-stage pipeline, and delivering cost efficiency across the business [39] - The company plans to achieve significant cost reductions, targeting a cash cost of approximately $4.2 billion by 2027 to meet its breakeven target by 2028 [21][42] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in the ongoing need for COVID vaccination, particularly in light of recent data showing high efficacy rates for their updated vaccine [53] - The company remains engaged with the FDA and continues to have productive exchanges regarding its ongoing product reviews [52] Other Important Information - The company is planning a total reduction in annual GAAP expenses of over $6 billion from 2023 to 2027, representing a 55% reduction [22] - The company is actively monitoring for additional cases of Guillain-Barré syndrome (GBS) in its trials and has lifted the clinical hold on its norovirus study [92] Q&A Session Summary Question: Comments on FDA interactions and potential risks to the vaccine business outlook - Management noted that interactions with the FDA have been productive and that they continue to see a need for COVID vaccination, especially among older Americans [52][53] Question: Update on INT Phase III data expectations - Management believes that a 2026 readout for the Phase III melanoma study is still reasonable based on historical event rates [57] Question: COVID strain selection process moving forward - The strain selection process will depend on guidance from regulatory bodies, with updates expected within the next month [75] Question: Concerns about future market share changes in COVID revenue - Management indicated that script data shows a consistent market share of around 38% and that inventory levels are being managed by customers [100] Question: Flu vaccine interim data expectations - Management did not provide specific guidance on total events for the flu vaccine analysis but indicated that a large number of cases are expected [105]