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What are the major variants of COVID-19?
As of July 2021, there are four dominant variants of SARS-CoV-2 spreading among global populations: the Alpha Variant (formerly called the UK Variant and officially referred to as B.1.1.7), first found in London and Kent, the Beta Variant (formerly called the South Africa Variant and officially referred to as B.1.351), the Gamma Variant (formerly called the Brazil Variant and officially referred to as P.1), and the Delta Variant (formerly called the India Variant and officially referred to as B.1.617.2).
Should I wear a face mask even if I am vaccinated against COVID-19?
Yes, vaccinated people should continue wearing a face mask when visiting confined public spaces or using public transport in areas with community transmission of COVID-19.The vaccine is very effective in preventing severe disease and death but vaccinated people may still get infected and transmit the infection. Wearing a face mask decreases the risk of this happening.
What does COVID-19 do to the cardiovascular system?
The virus can cause acute myocardial injury and chronic damage to the cardiovascular system.
How is a protected member accessible in a derived class?
A protected member is accessible within its class and by derived class instances. For a comparison of protected with the other access modifiers, see Accessibility Levels. Example. A protected member of a base class is accessible in a derived class only if the access occurs through the derived class type. For example, consider the following code
Can a protected member of a base class be inherited?
Struct members cannot be protected because the struct cannot be inherited. In this example, the class DerivedPoint is derived from Point. Therefore, you can access the protected members of the base class directly from the derived class. If you change the access levels of x and y to private, the compiler will issue the error messages:
Is the protected keyword part of the access modifier?
The protected keyword is also part of the protected internal and private protected access modifiers. A protected member is accessible within its class and by derived class instances. For a comparison of protected with the other access modifiers, see Accessibility Levels.