They push people to get vaccinated before they catch the flu , and individuals with health issues who might be more vulnerable can take extra precautions . Social media information like tweets is being used to map the current flu outbreak . Comment: There are apps and tools from the CDC , Google and startups dedicated to tracking the flu .
Social media information like tweets is being used to map the current flu outbreak . Comment: There are apps and tools from the CDC , Google and startups dedicated to tracking the flu .