It’s important to understand that the relationship between COVID-19 and blood clots is complex, and providing a precise incidence rate for a specific demographic like “females over 35” is difficult. However, I can offer some key insights based on available research:

Key Points:

• COVID-19 and Thrombosis:
  • COVID-19 infection itself significantly increases the risk of blood clots (thrombosis). This is a well-documented complication, especially in severe cases.  
  • The risk is higher in hospitalized patients, but even those with mild infections can experience increased clotting risk.
• Factors Influencing Risk:
  • Age is a factor: Older individuals generally have a higher risk of blood clots.  
  • Underlying health conditions: Conditions like obesity, diabetes, and cardiovascular disease further elevate the risk.
  • Severity of COVID-19 infection: Severe illness increases the likelihood of clotting complications.  
  • Pregnancy: Pregnancy itself increases the risk of blood clots, and if a pregnant woman also contracts COVID-19 the risks are increased.  
• Vaccine-Related Clots:
  • Certain COVID-19 vaccines (particularly the Johnson & Johnson/Janssen vaccine) were associated with a rare condition called thrombosis with thrombocytopenia syndrome (TTS).  
  • This risk was observed to be higher in younger women.
  • mRNA vaccines, like those from Pfizer and Moderna, have not shown an increased risk of blood clots.
• General Information:
  • Studies have shown that COVID-19 infection greatly increases the risk of both arterial and venous thrombotic events.  
  • The risk of blood clots is far greater from a COVID-19 infection than from the mRNA vaccines.
  • There is also research that indicates that there is a higher risk of blood clots during and after pregnancy.  

Where to Find More Information:

• For reliable information on COVID-19 and vaccine safety, consult the Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO).

In summary, while I cannot provide a precise incidence rate, it’s crucial to understand that COVID-19 significantly elevates the risk of blood clots, and this risk is influenced by various factors, including age and underlying health conditions.