Although Jiao Zhao, of The Southern University of Science and Technology, Shenzhen, and his colleagues found that individuals with blood types in the A group (A-positive, A-negative, and AB-positive, AB-negative) were at a higher risk of contracting the disease compared with non-A-group types, COVID-19 will hit all blood types, no exceptions. It also hits all races. 

There are very easy to do things you can do to help keep yourself and others healthy.

1. Wash your hands often with soap and water for at least 20 seconds, especially after blowing your nose, coughing, or sneezing; going to the bathroom; and before eating or preparing food.
2. Avoid touching your eyes, nose, and mouth with unwashed hands.
3. Stay home when you are sick.
4. Avoid crowds and follow social distancing. Keep at least a one-meter distance between you and the person in front of/next to you.
5. Cover your cough or sneeze with a tissue, then throw the tissue in the trash.
6. Always wear a mask when out in public.

There are risk factors for more severe COVID-19 outcomes. These are:

1. Age: 8 out of 10 deaths associated with COVID-19 in the U.S. have occurred in adults ages 65 and older
2. Diabetes (type 1 and type 2): In a review of 13 relevant studies, scientists found that people with diabetes were almost 3.7x more likely to have a critical case of COVID-19 or to die from the disease compared with COVID-19 patients without any underlying health conditions (including diabetes, hypertension, heart disease or respiratory disease) [Source: https://pubmed.ncbi.nlm.nih.gov/32335169/]
3. Heart disease and hypertension: Individuals with conditions that affect the cardiovascular system, such as heart disease and hypertension, generally suffer worse complications from COVID-19 than those with no preexisting conditions [Source: https://www.heart.org/en/coronavirus]
4. Smoking: People who smoke cigarettes may be prone to severe COVID-19 infections. This means that they are likely to face a heightened risk of developing pneumonia, suffering organ damage and requiring breathing support. [Source: https://www.nejm.org/doi/full/10.1056/NEJMoa2002032]
5. Obesity: Several early studies have suggested a link between obesity and more severe COVID-19 disease in people. 
6. Blood Type: Individuals with A blood types (A-positive and A-negative) were 33% more likely to test positive than other blood types and both O-negative and O-positive blood types were less likely to test positive than other blood groups. [Source: https://www.medrxiv.org/content/10.1101/2020.04.08.20058073v1.full.pdf]

Sources:

• https://www.livescience.com/why-covid-19-coronavirus-deadly-for-some-people.html
• https://www.cdc.gov/coronavirus/2019-ncov/daily-life-coping/share-facts.html