The drive to maintain caloric balance is sufficient to account for that. https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2435.2010.01815.x

The drive to maintain caloric balance is sufficient to account for that. https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2435.2010.01815.x https://besjournals.onlinelibrary.wiley.com/doi/full/10.1111... > metabolic rate may rise as much as 55% when fighting severe infections