H1N1                   GLOBAL PANDEMICS   U.S. MONTHLY PANDEMICS        
  Key symptoms  fever, chills, cough, body aches   Virus Start End Duration (days) Duraiton (months) Duration (yrs)   Global Pop Global Cases Global Deaths U.S. Pop U.S. Cases U.S. Deaths        
                        total per-day % pop total per-day % pop   total per-day % pop total per-day % pop        
  First detection  January 2009 in Mexico; April 2009Trusted Source in United States   Spanish Flu 3/1/1918 7/31/1919 517 17 1.4   1,800,000,000 500,000,000 1,369,863 27.8% 50,000,000 136,986 2.8%   103,208,000 24,769,920 67,863 24.0% 675,000 1,849 0.7%        
  Global cases  about 24 percent of global population; 60.8 million U.S. cases   SARS 11/1/2002 7/31/2003 272 9 0.7   6,301,773,188 8,098 22 0.0% 774 2 0.00%   286,100,000 0 0 0.0% 0 0 0.00%        
  Global deaths  over 284,000; 12,469 in the United States; death rate was .02 percent   Ebola 12/1/2013 6/21/2021 2,759 89 7.6   7,210,581,976 28,652 78 0.0% 11,325 31 0.00%   316,200,000 0 0 0.0% 0 0 0.00%        
  Most affected groups  children had the highest rates; 47 percentTrusted Source of children between 5 and 19 developed symptoms compared to 11 percent of people ages 65 and up   H1N1 1/1/2009 8/31/2010 607 20 1.7   6,872,767,093 60,800,000 166,575 0.9% 284,000 778 0.00%   300,600,000 60,000,000 164,384 20.0% 12,469 34 0.00%        
  Treatment available  antiviralsTrusted Source (oseltamivir and zanamivir); most people recovered without complications Covid-19 12/1/2019 6/21/2021 568 18 1.6   7,713,468,100 179,595,962 492,044 2.3% 3,887,996 10,652 0.05%   329,400,000 33,753,724 92,476 10.2% 602,806 1,652 0.18%        
  Vaccine available  H1N1 vaccine research started April 2009 and a vaccine became available December 2009                          
  End of pandemic  August 2010           How Covid-19 Compares to:   Global CASES will be:   Global DEATHS will be:       U.S. COVID-19 CASES will be: U.S. COVID-19 DEATHS will be:        
                Spanish Flu   254,386,609     5,443,194         47,810,069 14.5%   853,838 0.3%   <--  compared to Spanish Flu timeframe
  Vaccine available  H1N1 vaccine research started April 2009 and a vaccine became available December 2009             SARS   125,717,173     2,721,597         25,153,460 7.6%   449,214 0.1%   <-- compared to SARS timeline
  End of pandemic  August 2010             H1n1   305,313,135     6,609,593         56,132,905 17.0%   ######### 0.3%   <-- compared to H1N1 timeframe
                                                           
  Ebola                                                        
  Key symptoms  fever, aches and pains, weakness, diarrhea, vomiting                                                      
  First detection  first patient identified December 2013 in Guinea; first outbreak March 2014Trusted Source                                                      
  Global cases  28,652 casesTrusted Source across 10 countries                                                      
  Global deaths  11,325 deaths; death rate was about 50 percentTrusted Source                                                      
  Transmission  spread through bodily fluids (blood, sweat, feces) and close contact; most contagious toward end of disease                                                    
  Most affected groups  20 percentTrusted Source of all cases occurred in children                                                      
  Treatment available  none; supportive care was provided, including IV fluids and oral rehydration                                                      
  Vaccines available  none                                                      
                                                           
  SARS                                                
  Key symptoms  fever, respiratory symptoms, cough, malaise                                                      
  First detection  November 2002 in Guangdong province of China                                              
  Global cases  8,098 casesTrusted Source across 29 countries; 8 U.S. cases                                                      
  Global deaths  774; 15 percent mortality rate; no U.S. deathsTrusted Source                                                      
  Transmission  spread through respiratory droplets and contaminated surfaces                                                      
  Most affected groups  patients 60 and older had a 55 percent higher death rate                                                      
  Treatment available  no treatment or cure, but antiviral medications and steroids worked for some people                                                      
  Vaccine available  a vaccine was ready around the time the pandemic was already ending                                                      
  End of pandemic  July 2003                                                      
                                                           
  Spanish Flu                                                        
  Key symptoms  fever, nausea, aches, diarrhea                                                      
  First detection  March 1918                                                      
  Global cases  500 million                                                      
  Global deaths  over 50 million (675,000 in the United States); the death rate was around 2 percent                                                      
  Transmission  spread through respiratory droplets                                                      
  Most affected groups  otherwise healthy adults ages 20 to 40                                                      
  Treatments available  none; antibiotics or antivirals did not yet exist                                                      
  Vaccines available  none                                                      
  End of pandemic  summer 1919; mostly due to deaths and higher immunity levels                                                      
                                                           
  Covid-19                                                        
  Key symptoms  cough, fever, shortness of breath; 80 percent of cases are mild                                                      
  First detection  December 2019 in Wuhan, China                                                      
  Global cases to date  Over 127,000 cases                                                      
  Global deaths to date  Over 4,700; the global death rate is estimated at 3.4 percentTrusted Source, but certain areas are seeing a death rate of just 0.4 percent                                                      
  Transmission  spreads through respiratory droplets along with feces and other bodily secretions; each person passes it to 2.2 others which will likely fall as containment and quarantine efforts increase                                                      
  Most affected groups  adults over 65 with underlying health conditions; children seem to be spared and are experiencing milder symptoms (in China, children account for just 2.4 percent of cases)                                                      
  Treatments available  none; supportive care is provided, pain relievers and fever reducers can alleviate symptoms, and antibiotics can help treat secondary bacterial pneumonia and antivirals used with other viruses are being administered to help with recovery                                                      
  Vaccines available  none yet; a vaccine will likely be ready in about one year