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WHO CDC UTRGV Texas Health & Human Services Hidalgo County Johns Hopkins University 


Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Variants also exist. The Delta variant causes more infections and spreads faster than the original SARS-CoV-2 strain of the virus that cause COVID-19. Scientists monitor all variants but may classify certain ones as  variants being monitoredvariants of interestvariants of concern and variants of high consequence. Learn more by following the previous  hyperlinks. Some variants spread more easily and quickly than other variants, which may lead to more cases of COVID-19. An increase in the number of cases will put more strain on healthcare resources, lead to more hospitalizations, and potentially more deaths.

Vaccines remain the best way to reduce your risk of severe illness, hospitalization, and death from COVID-19.Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, older people and those with underlying medical conditions like cardiovascular disease, diabetes, chronic respiratory disease, or cancer are more likely to develop serious illness. Anyone can get sick with COVID-19 and become seriously ill or die at any age. 

The best way to prevent and slow down transmission is to be well informed about the disease and how the virus spreads.

The virus can spread from an infected person’s mouth or nose in small liquid particles when they cough, sneeze, speak, sing or breathe. These particles range from larger respiratory droplets to smaller aerosols. It is important to practice respiratory etiquette, for example by coughing into a flexed elbow, and to stay home and self-isolate until you recover if you feel unwell.

Most common symptoms:

  • fever
  • cough
  • tiredness
  • loss of taste or smell.

Less common symptoms:

  • sore throat
  • headache
  • aches and pains
  • diarrhea
  • a rash on skin, or discoloration of fingers or toes
  • red or irritated eyes.

Serious symptoms:

  • difficulty breathing or shortness of breath
  • loss of speech or mobility, or confusion
  • chest pain.

1034354_creative_idea_light bulb_lightbulb_icon LEARN MORE ABOUT VARIANTS HERE: COVID-19 VARIANT FAQs by DSHS

Thinking about traveling? Visit CDC's website to learn more about travel recommendations and what you can do to avoid spreading the virus while also protecting yourself.  You can browse CDC's pages  in detail by destination, read more about travel requirements, severity of the virus in the country you're visit and much more about traveler's health by going into the following page below: