False accusations are common (Using the definition of 'common' for medicinal side effects.)

The lowest estimate for false accusations is 2%. This would be labeled 'common' if we were talking about side-effects from medication.

The Council for International Organizations of Medical Sciences uses four categories to categorize side effect frequency or probability:

• Very common: ≥ 10%
• Common: ≥ 1% and < 10%
• Uncommon: ≥ 0.1% and < 1%
• Rare: < 0.1%

The European Commission uses similar categories:

• Very Common: ≥ 10%
• Common: ≥ 1% and < 10%
• Uncommon: ≥ 0.1% and < 1%
• Rare: ≥ 0.01% and < 0.1%
• Very rare: < 0.01%