1968 flu pandemic
They are most contagious in the course of the first four days of symptoms. Unlike cold viruses, influenza virus kills the protective cells that help sweep germs out of the airways. This makes it much easier for pneumonia-inflicting micro organism to invade the lungs. Pneumococcus is likely one of the most common causes of bacterial pneumonia and is preventable by each influenza vaccine and pneumococcal vaccine.
What are widespread signs of the flu?
Flu is a serious infection that affects between 5-20{4605891ea247c1b3544901749054d58a4774ad726c9970c37b7697756df937fd} of the US population yearly. Each year within the US, tens of millions of individuals get sick, hundreds of thousands are hospitalized, and hundreds to tens of 1000’s die from flu and related problems. Every 12 months flu impacts employers and companies and prices the US approximately $10.four billion in direct costs for hospitalizations and outpatient visits for adults.
- Children could also be infectious for longer than 7