Booster shots may be needed to combat COVID-19 variants for those who get vaccinated.
Getting one dose of the Pfizer COVID-19 vaccine will protect you for a little while, but scientists say it’s critical patients get the second dose to be protected. According to the FDA, the Pfizer vaccine is 52% effective after one…
COVID-19 reinfections are raising concerns about how effect a vaccine might be against coronavirus, but experts say not to worry. Reports say a 25-year-old Nevada man tested positive for COVID-19 in April, then again in June. That second round ended…