![US preparing for 1-year COVID-19 booster shots; Pfizer chief sees need US preparing for 1-year COVID-19 booster shots; Pfizer chief sees need](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2021-02/51612369131_BiontechandPfizer.jpg)
US preparing for 1-year COVID-19 booster shots; Pfizer chief sees need
Kessler said while the duration of immunity after vaccination is being studied, booster vaccines could be needed.
Fri Apr 16 2021
![US becomes first nation to cross 10 million COVID-19 cases as third wave of infections surges US becomes first nation to cross 10 million COVID-19 cases as third wave of infections surges](https://resizer-awani.eco.astro.com.my/tr:w-177,h-100,q-100,f-auto/https://img.astroawani.com/2020-11/61604885020_USA.jpg)
US becomes first nation to cross 10 million COVID-19 cases as third wave of infections surges
The country reported a record 131,420 COVID-19 cases on Saturday and has reported over 100,000 infections four times in the past seven days.
Mon Nov 09 2020